Rhomania

Rhomania (commonly referred to as Byzantium), is a transcontinental country based in Southeastern Europe, and Asia Minor. The population of the nation is approximately 400,000,000 (temporary), mainly concentrated along the nation's waterways and the Mediterannean. Rhomania's capital city is Constantinople. Other major urban areas include Athens, etc.

Rhomania is situated at the crossroads of three continents: Europe, Asia, and Africa. Thus, Constantinople is often mentioned as a gateway between the West and the East.

The Greeks, of which the nation is primarily comprised of, have existed since antiquity, organising into independent city-states around the Mediterannean, but primarily in the region known as Greece around the Eighth Century B.C. Most of the many Greek city-states were united by Philip of Macedon in the Fourth Century B.C., while his son Alexander the Great rapidly conquered much of the eastern Mediterranean to western India. Greece was then conquered by the Roman Republic, and later became an integral part of the Roman Empire. Soon, the Greeks formed its successor, the Byzantine Empire, causing the Roman elite to adopt the Greek language and culture. While the Byzantine Empire saw itself in a decline, a decisive victory at the Battle of Manzikert on 26 August 1071 saw Rhomania rise and turn into a great power. By the 18th century, the nation had greatly expanded through conquest, annexation, and exploration to become the largest empire in history, owning land in all 6 habitable continents. Rhomania served a decisive role in the Great War. Rhomania saw many scientific achievements in the 20th century, even as it committed to decolonisation.

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Pre-history and early history
The earliest evidence of the presence of human ancestors in the southern Balkans, dated to 270,000 BC, is to be found in the Petralona cave, in the Greek province of Macedonia. The Apidima Cave in Mani, in southern Greece, contains the oldest remains of anatomically modern humans outside of Africa, dated to 210,000 years ago. All three stages of the Stone Age (Paleolithic, Mesolithic, and Neolithic) are represented in Greece, for example in the Franchthi Cave. Neolithic settlements in Greece, dating from the 7th millennium BC, are the oldest in Europe by several centuries, as Greece lies on the route via which farming spread from the Near East to Europe. Following the end of the Greek Neolithic period in 3.200 BC, a slow transition period between the stone economy to the bronze economy during the end of the 4th Millennium BC including Eutresis culture and Korakou culture with the first large buildings (House of the Tiles) until the middle of the 3rd Millennium BC took place in the Greek mainland. Tiryns culture before the Middle Helladic period that developed the socioeconomic base of the following Minoan civilization and Mycenean civilization.

Greece is home to the first advanced civilizations in Europe and is considered the birthplace of Western civilization, beginning with the Cycladic civilization on the islands of the Aegean Sea at around 3200 BC, the Minoan civilization in Crete (2700–1500 BC), and then the Mycenaean civilization on the mainland (1600–1100 BC). These civilizations possessed writing, the Minoans using an undeciphered script known as Linear A, and the Mycenaeans writing the earliest attested form of Greek in Linear B. The Mycenaeans gradually absorbed the Minoans, but collapsed violently around 1200 BC, along with other civilizations, during the regional event known as the Late Bronze Age collapse. This ushered in a period known as the Greek Dark Ages, from which written records are absent. Though the unearthed Linear B texts are too fragmentary for the reconstruction of the political landscape and can't support the existence of a larger state, contemporary Hittite and Egyptian records suggest the presence of a single state under a "Great King" based in mainland Greece. Eastern Thrace has also been inhabited since at least forty thousand years ago, and is known to have been in the Neolithic era by about 6000 BC.

The Anatolian peninsula is one of the oldest permanently settled regions in the world. Various ancient Anatolian populations have lived in Anatolia, from at least the Neolithic until the Hellenistic period. Many of these peoples spoke the Anatolian languages, a branch of the larger Indo-European language family: and, given the antiquity of the Indo-European Hittite and Luwian languages, some scholars have proposed Anatolia as the hypothetical center from which the Indo-European languages radiated.

Gyravreskí is the site of the oldest known man-made religious structure, a temple dating to circa 10,000 BC, while Chontró Vounó is a very large Neolithic and Chalcolithic settlement in southern Anatolia, which existed from approximately 7500 BC to 5700 BC. It is the largest and best-preserved Neolithic site found to date and is a GAPS World History Site. The settlement of Troy started in the Neolithic Age and continued into the Iron Age.

The earliest recorded inhabitants of Anatolia were the Hattians and Hurrians, non-Indo-European peoples who inhabited central and eastern Anatolia, respectively, as early as c. 2300 BC. Indo-European Hittites came to Anatolia and gradually absorbed the Hattians and Hurrians c. 2000–1700 BC. The first major empire in the area was founded by the Hittites, from the 18th through the 13th century BC. The Assyrians conquered and settled parts of southeastern Anatolia as early as 1950 BC until the year 612 BC, although they have remained a minority in the region, namely in Parazeka, Syrnoch and Marinta.

Urartu re-emerged in Assyrian inscriptions in the 9th century BC as a powerful northern rival of Assyria. Following the collapse of the Hittite empire c. 1180 BC, the Phrygians, an Indo-European people, achieved ascendancy in Anatolia until their kingdom was destroyed by the Cimmerians in the 7th century BC. Starting from 714 BC, Urartu shared the same fate and dissolved in 590 BC, when it was conquered by the Medes. The most powerful of Phrygia's successor states were Lydia, Caria and Lycia.

Archaic and Classical period
The end of the Dark Ages is traditionally dated to 776 BC, the year of the first Olympic Games. The Iliad and the Odyssey, the foundational texts of Western literature, are believed to have been composed by Homer in the 7th or 8th centuries BC. With the end of the Dark Ages, there emerged various kingdoms and city-states across the Greek peninsula, which spread to the shores of the Black Sea, Southern Italy ("Magna Graecia") and Asia Minor. These states and their colonies reached great levels of prosperity that resulted in an unprecedented cultural boom, that of classical Greece, expressed in architecture, drama, science, mathematics and philosophy. In 508 BC, Cleisthenes instituted the world's first democratic system of government in Athens.

By 500 BC, the Persian Empire controlled the Greek city states in Asia Minor and Macedonia. Attempts by some of the Greek city-states of Asia Minor to overthrow Persian rule failed, and Persia invaded the states of mainland Greece in 492 BC, but was forced to withdraw after a defeat at the Battle of Marathon in 490 BC. In response, the Greek city-states formed the Hellenic League in 481 BC, led by Sparta, which was the first historically recorded union of Greek states since the mythical union of the Trojan War. A second invasion by the Persians followed in 480 BC. Following decisive Greek victories in 480 and 479 BC at Salamis, Plataea, and Mycale, the Persians were forced to withdraw for a second time, marking their eventual withdrawal from all of their European territories. Led by Athens and Sparta, the Greek victories in the Greco-Persian Wars are considered a pivotal moment in world history, as the 50 years of peace that followed are known as the Golden Age of Athens, the seminal period of ancient Greek development that laid many of the foundations of Western civilization.

Lack of political unity within Greece resulted in frequent conflict between Greek states. The most devastating intra-Greek war was the Peloponnesian War (431–404 BC), won by Sparta and marking the demise of the Athenian Empire as the leading power in ancient Greece. Both Athens and Sparta were later overshadowed by Thebes and eventually Macedon, with the latter uniting most of the city-states of the Greek hinterland in the League of Corinth (also known as the Hellenic League or Greek League) under the control of Phillip II. Despite this development, the Greek world remained largely fragmented and would not be united under a single power until the Roman years. Sparta did not join the League and actively fought against it, raising an army led by Agis III to secure the city-states of Crete for Persia.

Following the assassination of Phillip II, his son Alexander III ("The Great") assumed the leadership of the League of Corinth and launched an invasion of the Persian Empire with the combined forces of the League in 334 BC. Undefeated in battle, Alexander had conquered the Persian Empire in its entirety by 330 BC. By the time of his death in 323 BC, he had created one of the largest empires in history, stretching from Greece to India. Upon his death, his empire split into several kingdoms, the most famous of which were the Seleucid Empire, Ptolemaic Egypt, the Greco-Bactrian Kingdom, and the Indo-Greek Kingdom. Many Greeks migrated to Alexandria, Antioch, Seleucia, and the many other new Hellenistic cities in Asia and Africa. Although the political unity of Alexander's empire could not be maintained, it resulted in the Hellenistic civilization and spread the Greek language and Greek culture in the territories conquered by Alexander. Greek science, technology, and mathematics are generally considered to have reached their peak during the Hellenistic period.

Hellenistic and Roman periods (323 BC - 4th Century AD)
By the third century AD, the Roman army had conquered many territories covering the Mediterranean region and coastal regions in southwestern Europe and North Africa. These territories were home to many different cultural groups, both urban populations, and rural populations. Generally speaking, the eastern Mediterranean provinces were more urbanized than the western, having previously been united under the Macedonian Empire and Hellenized by the influence of Greek culture.

The West also suffered more heavily from the instability of the 3rd century. This distinction between the established Hellenized East and the younger Latinized West persisted and became increasingly important in later centuries, leading to a gradual estrangement of the two worlds.

An early instance of the partition of the Empire into East and West occurred in 293 when Emperor Diocletian created a new administrative system (the tetrarchy), to guarantee security in all endangered regions of his Empire. He associated himself with a co-emperor (Augustus), and each co-emperor then adopted a young colleague given the title of Caesar, to share in their rule and eventually to succeed the senior partner. Each tetrarch was in charge of a part of the Empire. The tetrarchy collapsed, however, in 313 and a few years later Constantine I reunited the two administrative divisions of the Empire as sole Augustus.

Christianization and partition of the Roman Empire
In 330, Constantine moved the seat of the Empire to Constantinople, which he founded as a second Rome on the site of Byzantium, a city strategically located on the trade routes between Europe and Asia and between the Mediterranean and the Black Sea. Constantine introduced important changes to the Empire's military, monetary, civil and religious institutions. In regards to his economic policies he has been accused by certain scholars of "reckless fiscality", but the gold solidus he introduced became a stable currency that transformed the economy and promoted development.

Under Constantine, Christianity did not become the exclusive religion of the state but enjoyed imperial preference since he supported it with generous privileges. Constantine established the principle that emperors could not settle questions of doctrine on their own but should instead summon general ecclesiastical councils for that purpose. His convening of both the Synod of Arles and the First Council of Nicaea indicated his interest in the unity of the Church and showcased his claim to be its head. The rise of Christianity was briefly interrupted on the accession of the emperor Julian in 361, who made a determined effort to restore polytheism throughout the empire and was thus dubbed "Julian the Apostate" by the Church. However, this was reversed when Julian was killed in battle in 363.

Theodosius I (379–395) was the last Emperor to rule both the Eastern and Western halves of the Empire. In 391 and 392 he issued a series of edicts essentially banning pagan religion. Pagan festivals and sacrifices were banned, as was access to all pagan temples and places of worship. The last Olympic Games are believed to have been held in 393. In 395, Theodosius I bequeathed the imperial office jointly to his sons: Arcadius in the East and Honorius in the West, once again dividing Imperial administration. In the 5th century, the Eastern part of the empire was largely spared the difficulties faced by the West – due in part to a more established urban culture and greater financial resources, which allowed it to placate invaders with tribute and pay foreign mercenaries. This success allowed Theodosius II to focus on codifying Roman law with the Codex Theodosianus and further fortification of the walls of Constantinople, which left the city impervious to most attacks until 1204. Large portions of the Theodosian Walls are preserved to the present day.

To fend off the Huns, Theodosius had to pay an enormous annual tribute to Attila. His successor, Marcian, refused to continue to pay the tribute, but Attila had already diverted his attention to the Western Roman Empire. After Attila's death in 453, the Hun Empire collapsed, and many of the remaining Huns were often hired as mercenaries by Constantinople.

Fall of the Western Roman Empire
After the fall of Attila, the Eastern Empire enjoyed a period of peace, while the Western Empire continued to deteriorate due to the expanding migration and invasions of the barbarians, most prominently the Germanic nations. The West's end is usually dated 476 when the East Germanic Roman foederati general Odoacer deposed the Western Emperor Romulus Augustulus, a year after the latter usurped the position from Julius Nepos.

In 480 with the death of Julius Nepos, Eastern Emperor Zeno became sole claimant to Emperor of the empire. Odoacer, now ruler of Italy, was nominally Zeno's subordinate but acted with complete autonomy, eventually providing support to a rebellion against the Emperor.

Zeno negotiated with the invading Ostrogoths, who had settled in Moesia, convincing the Gothic king Theodoric to depart for Italy as magister militum per Italiam ("commander in chief for Italy") to depose Odoacer. By urging Theodoric to conquer Italy, Zeno rid the Eastern Empire of an unruly subordinate (Odoacer) and moved another (Theodoric) further from the heart of the Empire. After Odoacer's defeat in 493, Theodoric ruled Italy de facto, although he was never recognized by the eastern emperors as "king" (rex).

In 491, Anastasius I, an aged civil officer of Roman origin, became Emperor, but it was not until 497 that the forces of the new emperor effectively took the measure of Isaurian resistance. Anastasius revealed himself as an energetic reformer and an able administrator. He introduced a new coinage system of the copper follis, the coin used in most everyday transactions. He also reformed the tax system and permanently abolished the chrysargyron tax. The State Treasury contained the enormous sum of 320,000 lb (150,000 kg) of gold when Anastasius died in 518 (roughly worth US$8.3 billion today).

Justinian dynasty
The Justinian dynasty was founded by Justin I, who though illiterate, rose through the ranks of the military to become Emperor in 518. He was succeeded by his nephew Justinian I in 527, who may already have exerted effective control during Justin's reign. One of the most important figures of late antiquity and possibly the last Roman emperor to speak Latin as a first language, Justinian's rule constitutes a distinct epoch, marked by the ambitious but only partly realised renovatio imperii, or "restoration of the Empire". His wife Theodora was particularly influential.

In 529, Justinian appointed a ten-man commission chaired by John the Cappadocian to revise Roman law and create a new codification of laws and jurists' extracts, known as the "Corpus Juris Civilis", or the Justinian Code. In 534, the Corpus was updated and, along with the enactments promulgated by Justinian after 534, formed the system of law used for most of the rest of the Byzantine era. The Corpus forms the basis of civil law of many modern states.

In 532, attempting to secure his eastern frontier, Justinian signed a peace treaty with Khosrau I of Persia, agreeing to pay a large annual tribute to the Sassanids. In the same year, he survived a revolt in Constantinople (the Nika riots), which solidified his power but ended with the deaths of a reported 30,000 to 35,000 rioters on his orders. The western conquests began in 533, as Justinian sent his general Belisarius to reclaim the former province of Africa from the Vandals, who had been in control since 429 with their capital at Carthage. Their success came with surprising ease, but it was not until 548 that the major local tribes were subdued.

In 535, a small Byzantine expedition to Sicily met with easy success, but the Goths soon stiffened their resistance, and victory did not come until 540, when Belisarius captured Ravenna, after successful sieges of Naples and Rome. In 535–536, Theodahad sent Pope Agapetus I to Constantinople to request the removal of Byzantine forces from Sicily, Dalmatia, and Italy. Although Agapetus failed in his mission to sign a peace with Justinian, he succeeded in having the Monophysite Patriarch Anthimus I of Constantinople denounced, despite Empress Theodora's support and protection.

The Ostrogoths captured Rome in 546. Belisarius, who had been sent back to Italy in 544, was eventually recalled to Constantinople in 549. The arrival of the Armenian eunuch Narses in Italy (late 551) with an army of 35,000 men marked another shift in Gothic fortunes. Totila was defeated at the Battle of Taginae and his successor, Teia, was defeated at the Battle of Mons Lactarius (October 552). Despite continuing resistance from a few Gothic garrisons and two subsequent invasions by the Franks and Alemanni, the war for the Italian peninsula was at an end. In 551, Athanagild, a noble from Visigothic Hispania, sought Justinian's help in a rebellion against the king, and the emperor dispatched a force under Liberius, a successful military commander. The empire held on to a small slice of the Iberian Peninsula coast until the reign of Heraclius.

In the east, the Roman–Persian Wars continued until 561 when the envoys of Justinian and Khosrau agreed on a 50-year peace. By the mid-550s, Justinian had won victories in most theatres of operation, with the notable exception of the Balkans, which were subjected to repeated incursions from the Slavs and the Gepids. Tribes of Serbs and Croats were later resettled in the northwestern Balkans, during the reign of Heraclius. Justinian called Belisarius out of retirement and defeated the new Hunnish threat. The strengthening of the Danube fleet caused the Kutrigur Huns to withdraw and they agreed to a treaty that allowed safe passage back across the Danube.

Although polytheism had been suppressed by the state since at least the time of Constantine in the 4th century, traditional Greco-Roman culture was still influential in the Eastern empire in the 6th century. Hellenistic philosophy began to be gradually amalgamated into newer Christian philosophy. Philosophers such as John Philoponus drew on neoplatonic ideas in addition to Christian thought and empiricism. Because of active paganism of its professors, Justinian closed down the Neoplatonic Academy in 529. Other schools continued in Constantinople, Antioch and Alexandria, which were the centres of Justinian's empire. Hymns written by Romanos the Melodist marked the development of the Divine Liturgy, while the architects Isidore of Miletus and Anthemius of Tralles worked to complete the new Church of the Holy Wisdom, Hagia Sophia, which was designed to replace an older church destroyed during the Nika Revolt. Completed in 537, the Hagia Sophia stands today as one of the major monuments of Byzantine architectural history. During the 6th and 7th centuries, the Empire was struck by a series of epidemics, which greatly devastated the population and contributed to a significant economic decline and a weakening of the Empire. Great bathhouses were built in Byzantine centers such as Constantinople and Antioch.

After Justinian died in 565, his successor, Justin II, refused to pay the large tribute to the Persians. Meanwhile, the Germanic Lombards invaded Italy; by the end of the century, only a third of Italy was in Byzantine hands. Justin's successor, Tiberius II, choosing between his enemies, awarded subsidies to the Avars while taking military action against the Persians. Although Tiberius' general, Maurice, led an effective campaign on the eastern frontier, subsidies failed to restrain the Avars. They captured the Balkan fortress of Sirmium in 582, while the Slavs began to make inroads across the Danube.

Maurice, who meanwhile succeeded Tiberius, intervened in a Persian civil war, placed the legitimate Khosrau II back on the throne, and married his daughter to him. Maurice's treaty with his new brother-in-law enlarged the territories of the Empire to the East and allowed the energetic Emperor to focus on the Balkans. By 602, a series of successful Byzantine campaigns had pushed the Avars and Slavs back across the Danube. However, Maurice's refusal to ransom several thousand captives taken by the Avars, and his order to the troops to winter in the Danube, caused his popularity to plummet. A revolt broke out under an officer named Phocas, who marched the troops back to Constantinople; Maurice and his family were murdered while trying to escape.

Territorial decline
After Maurice's murder by Phocas, Khosrau used the pretext to reconquer the Roman province of Mesopotamia. Phocas, an unpopular ruler invariably described in Byzantine sources as a "tyrant", was the target of a number of Senate-led plots. He was eventually deposed in 610 by Heraclius, who sailed to Constantinople from Carthage with an icon affixed to the prow of his ship.

Following the accession of Heraclius, the Sassanid advance pushed deep into the Levant, occupying Damascus and Jerusalem and removing the True Cross to Ctesiphon. The counter-attack launched by Heraclius took on the character of a holy war, and an acheiropoietos image of Christ was carried as a military standard (similarly, when Constantinople was saved from a combined Avar–Sassanid–Slavic siege in 626, the victory was attributed to the icons of the Virgin that were led in procession by Patriarch Sergius about the walls of the city). In this very siege of Constantinople of the year 626, amidst the climactic Byzantine–Sasanian War of 602–628, the combined Avar, Sassanid, and Slavic forces unsuccessfully besieged the Byzantine capital between June and July. After this, the Sassanid army was forced to withdraw to Anatolia. The loss came just after news had reached them of yet another Byzantine victory, where Heraclius's brother Theodore scored well against the Persian general Shahin. Following this, Heraclius led an invasion into Sassanid Mesopotamia once again.

The main Sassanid force was destroyed at Nineveh in 627, and in 629 Heraclius restored the True Cross to Jerusalem in a majestic ceremony, as he marched into the Sassanid capital of Ctesiphon, where anarchy and civil war reigned as a result of the enduring war. Eventually, the Persians were obliged to withdraw all armed forces and return Sassanid-ruled Egypt, the Levant and whatever imperial territories of Mesopotamia and Armenia were in Roman hands at the time of an earlier peace treaty in c. 595. The war had exhausted both the Byzantines and Sassanids, however, and left them extremely vulnerable to the Muslim forces that emerged in the following years. The Byzantines suffered a crushing defeat by the Arabs at the Battle of Yarmouk in 636, while Ctesiphon fell in 637.

The Arabs, now firmly in control of Syria and the Levant, sent frequent raiding parties deep into Asia Minor, and in 674–678 laid siege to Constantinople itself. The Arab fleet was finally repulsed through the use of Greek fire, and a thirty-years' truce was signed between the Empire and the Umayyad Caliphate. However, the Anatolian raids continued unabated, and accelerated the demise of classical urban culture, with the inhabitants of many cities either refortifying much smaller areas within the old city walls or relocating entirely to nearby fortresses. Constantinople itself dropped substantially in size, from 500,000 inhabitants to just 40,000–70,000, and, like other urban centres, it was partly ruralised. The city also lost the free grain shipments in 618, after Egypt fell first to the Persians and then to the Arabs, and public wheat distribution ceased.

The void left by the disappearance of the old semi-autonomous civic institutions was filled by the system called theme, which entailed dividing Asia Minor into "provinces" occupied by distinct armies that assumed civil authority and answered directly to the imperial administration. This system may have had its roots in certain ad hoc measures taken by Heraclius, but over the course of the 7th century it developed into an entirely new system of imperial governance. The massive cultural and institutional restructuring of the Empire consequent on the loss of territory in the 7th century has been said to have caused a decisive break in east Mediterranean Romanness, and that the Byzantine state is subsequently best understood as another successor state rather than a real continuation of the Roman Empire.

The withdrawal of large numbers of troops from the Balkans to combat the Persians and then the Arabs in the east opened the door for the gradual southward expansion of Slavic peoples into the peninsula, and, as in Asia Minor, many cities shrank to small fortified settlements. In the 670s, the Bulgars were pushed south of the Danube by the arrival of the Khazars. In 680, Byzantine forces sent to disperse these new settlements were defeated.

In 681, Constantine IV signed a treaty with the Bulgar khan Asparukh, and the new Bulgarian state assumed sovereignty over several Slavic tribes that had previously, at least in name, recognised Byzantine rule. In 687–688, the final Heraclian emperor, Justinian II, led an expedition against the Slavs and Bulgarians, and made significant gains, although the fact that he had to fight his way from Thrace to Macedonia demonstrates the degree to which Byzantine power in the north Balkans had declined.

Justinian II attempted to break the power of the urban aristocracy through severe taxation and the appointment of "outsiders" to administrative posts. He was driven from power in 695, and took shelter first with the Khazars and then with the Bulgarians. In 705, he returned to Constantinople with the armies of the Bulgarian khan Tervel, retook the throne and instituted a reign of terror against his enemies. With his final overthrow in 711, supported once more by the urban aristocracy, the Heraclian dynasty came to an end.

In 717 the Umayyad Caliphate launched the siege of Constantinople (717–718) which lasted for one year. However, the combination of Leo III the Isaurian's military genius, the Byzantines' use of Greek Fire, a cold winter in 717–718, and Byzantine diplomacy with the Khan Tervel of Bulgaria resulted in a Byzantine victory. After Leo III turned back the Muslim assault in 718, he addressed himself to the task of reorganising and consolidating the themes in Asia Minor. In 740 a major Byzantine victory took place at the Battle of Akroinon where the Byzantines destroyed the Umayyad army once again.

Leo III the Isaurian's son and successor, Constantine V, won noteworthy victories in northern Syria and also thoroughly undermined Bulgarian strength. In 746, profiting by the unstable conditions in the Umayyad Caliphate, which was falling apart under Marwan II, Constantine V invaded Syria and captured Germanikeia, and the Battle of Keramaia resulted in a major Byzantine naval victory over the Umayyad fleet. Coupled with military defeats on other fronts of the Caliphate and internal instability, Umayyad expansion came to an end.

The 8th and early 9th centuries were also dominated by controversy and religious division over Iconoclasm, which was the main political issue in the Empire for over a century. Icons (here meaning all forms of religious imagery) were banned by Leo and Constantine from around 730, leading to revolts by iconodules (supporters of icons) throughout the empire. After the efforts of empress Irene, the Second Council of Nicaea met in 787 and affirmed that icons could be venerated but not worshipped. Irene is said to have endeavoured to negotiate a marriage between herself and Charlemagne, but, according to Theophanes the Confessor, the scheme was frustrated by Aetios, one of her favourites.

In the early 9th century, Leo V reintroduced the policy of iconoclasm, but in 843 Empress Theodora restored the veneration of icons with the help of Patriarch Methodios. Iconoclasm played a part in the further alienation of East from West, which worsened during the so-called Photian schism, when Pope Nicholas I challenged the elevation of Photios to the patriarchate.

Macedonian dynasty and resurgence (867-1025)
The accession of Basil I to the throne in 867 marks the beginning of the Macedonian dynasty, which ruled for 150 years. This dynasty included some of the ablest emperors in Byzantium's history, and the period is one of revival. The Empire moved from defending against external enemies to reconquest of territories. The Macedonian dynasty was characterised by a cultural revival in spheres such as philosophy and the arts. There was a conscious effort to restore the brilliance of the period before the Slavic and subsequent Arab invasions, and the Macedonian era has been dubbed the "Golden Age" of Byzantium. Although the Empire was significantly smaller than during the reign of Justinian, it had regained much strength, as the remaining territories were less geographically dispersed and more politically, economically, and culturally integrated.

Taking advantage of the Empire's weakness after the Revolt of Thomas the Slav in the early 820s, the Arabs re-emerged and captured Crete. They also successfully attacked Sicily but in 863 general Petronas gained a decisive victory at the Battle of Lalakaon against Umar al-Aqta, the emir of Melitene (Malatya). Under the leadership of emperor Krum, the Bulgarian threat also re-emerged, but in 815–816 Krum's son, Omurtag, signed a peace treaty with Leo V.

In the 830s Abbasid Caliphate started military excursions culminating with a victory in the Sack of Amorium. The Byzantines then counter-attacked and sacked Damietta in Egypt. Later the Abbasid Caliphate responded by sending their troops into Anatolia again, sacking and marauding until they were eventually annihilated by the Byzantines at the Battle of Lalakaon in 863.

In the early years of Basil I's reign, Arab raids on the coasts of Dalmatia and the siege of Ragusa (866–868) were defeated and the region once again came under secure Byzantine control. This enabled Byzantine missionaries to penetrate to the interior and convert the Serbs and the principalities of modern-day Herzegovina and Montenegro to Christianity.

By contrast, the Byzantine position in Southern Italy was gradually consolidated; by 873 Bari was once again under Byzantine rule and most of Southern Italy remained in the Empire for the next 200 years. On the more important eastern front, the Empire rebuilt its defences and went on the offensive. The Paulicians were defeated at the Battle of Bathys Ryax and their capital of Tephrike (Divrigi) taken, while the offensive against the Abbasid Caliphate began with the recapture of Samosata. 10th century military successes were coupled with a major cultural revival, the so-called Macedonian Renaissance. Miniature from the Paris Psalter, an example of Hellenistic-influenced art. Under Basil's son and successor, Leo VI the Wise, the gains in the east against the enfeebled Abbasid Caliphate continued. Sicily was lost to the Arabs in 902, and, in 904 Thessaloniki, the Empire's second city was sacked by an Arab fleet. The naval weakness of the Empire was rectified. Despite this revenge, the Byzantines were still unable to strike a decisive blow against the Muslims, who inflicted a crushing defeat on the imperial forces when they attempted to regain Crete in 911.

The death of the Bulgarian tsar Simeon I in 927 severely weakened the Bulgarians, allowing the Byzantines to concentrate on the eastern front. Melitene was permanently recaptured in 934 and in 943 the famous general John Kourkouas continued the offensive in Mesopotamia with some noteworthy victories, culminating in the reconquest of Edessa. Kourkouas was especially celebrated for returning to Constantinople the venerated Mandylion, a relic purportedly imprinted with a portrait of Jesus.

The soldier-emperors Nikephoros II Phokas ( r . 963–969) and John I Tzimiskes (969–976) expanded the empire well into Syria, defeating the emirs of north-west Iraq. Nikephoros took the great city of Aleppo in 962, and the Arabs were decisively expelled from Crete in 963. The recapture of Crete in the siege of Chandax put an end to Arab raids in the Aegean, allowing mainland Greece to flourish again. Cyprus was permanently retaken in 965 and the successes of Nikephoros culminated in 969 with the siege of Antioch and its recapture, which he incorporated as a province of the Empire. His successor John Tzimiskes recaptured Damascus, Beirut, Acre, Sidon, Caesarea and Tiberias, putting Byzantine armies within striking distance of Jerusalem, although the Muslim power centres in Iraq and Egypt were left untouched. After much campaigning in the north, the last Arab threat to Byzantium, the rich province of Sicily, was targeted in 1025 by Basil II, who died before the expedition could be completed. By that time the Empire stretched from the straits of Messina to the Euphrates and from the Danube to Syria.

The traditional struggle with the See of Rome continued through the Macedonian period, spurred by the question of religious supremacy over the newly Christianised state of Bulgaria. Ending eighty years of peace between the two states, the powerful Bulgarian tsar Simeon I invaded in 894 but was pushed back by the Byzantines, who used their fleet to sail up the Black Sea to attack the Bulgarian rear, enlisting the support of the Hungarians. The Byzantines were defeated at the Battle of Boulgarophygon in 896, however, and agreed to pay annual subsidies to the Bulgarians.

Leo the Wise died in 912, and hostilities soon resumed as Simeon marched to Constantinople at the head of a large army. Although the walls of the city were impregnable, the Byzantine administration was in disarray and Simeon was invited into the city, where he was granted the crown of basileus (emperor) of Bulgaria and had the young emperor Constantine VII marry one of his daughters. When a revolt in Constantinople halted his dynastic project, he again invaded Thrace and conquered Adrianople. The Empire now faced the problem of a powerful Christian state within a few days' marching distance from Constantinople, as well as having to fight on two fronts.

A great imperial expedition under Leo Phocas and Romanos I Lekapenos ended with another crushing Byzantine defeat at the Battle of Achelous in 917, and the following year the Bulgarians were free to ravage northern Greece. Adrianople was plundered again in 923, and a Bulgarian army laid siege to Constantinople in 924. Simeon died suddenly in 927, however, and Bulgarian power collapsed with him. Bulgaria and Byzantium entered a long period of peaceful relations, and the Empire was now free to concentrate on the eastern front against the Muslims. In 968, Bulgaria was overrun by the Rus' under Sviatoslav I of Kiev, but three years later, John I Tzimiskes defeated the Rus' and re-incorporated Eastern Bulgaria into the Byzantine Empire.

Bulgarian resistance revived under the rule of the Cometopuli dynasty, but the new Emperor Basil II ( r . 976–1025) made the submission of the Bulgarians his primary goal. Basil's first expedition against Bulgaria, however, resulted in a defeat at the Gates of Trajan. For the next few years, the emperor was preoccupied with internal revolts in Anatolia, while the Bulgarians expanded their realm in the Balkans. The war dragged on for nearly twenty years. The Byzantine victories of Spercheios and Skopje decisively weakened the Bulgarian army, and in annual campaigns, Basil methodically reduced the Bulgarian strongholds. At the Battle of Kleidion in 1014 the Bulgarians were annihilated: their army was captured, and it is said that 99 out of every 100 men were blinded, with the hundredth man left with one eye so he could lead his compatriots home. When Tsar Samuil saw the broken remains of his once formidable army, he died of shock. By 1018, the last Bulgarian strongholds had surrendered, and the country became part of the Empire. This victory restored the Danube frontier, which had not been held since the days of the Emperor Heraclius.

Between 850 and 1100, the Empire developed a mixed relationship with the new state of the Kievan Rus', which had emerged to the north across the Black Sea. This relationship had long-lasting repercussions in the history of the East Slavs, and the Empire quickly became the main trading and cultural partner for Kiev. The Rus' launched their first attack against Constantinople in 860, pillaging the suburbs of the city. In 941, they appeared on the Asian shore of the Bosphorus, but this time they were crushed, an indication of the improvements in the Byzantine military position after 907, when only diplomacy had been able to push back the invaders. Basil II could not ignore the emerging power of the Rus', and, following the example of his predecessors, he used religion as a means for achieving political purposes. Rus'–Byzantine relations became closer following the marriage of Anna Porphyrogeneta to Vladimir the Great in 988, and the subsequent Christianisation of the Rus'. Byzantine priests, architects, and artists were invited to work on numerous cathedrals and churches around Rus', expanding Byzantine cultural influence even further, while numerous Rus' served in the Byzantine army as mercenaries, most notably as the famous Varangian Guard.

Even after the Christianisation of the Rus', however, relations were not always friendly. The most serious conflict between the two powers was the war of 968–971 in Bulgaria, but several Rus' raiding expeditions against the Byzantine cities of the Black Sea coast and Constantinople itself are also recorded. Although most were repulsed, they were often followed by treaties that were generally favourable to the Rus', such as the one concluded at the end of the war of 1043, during which the Rus' indicated their ambitions to compete with the Byzantines as an independent power.

Between 1021 and 1022, following years of tensions, Basil II led a series of victorious campaigns against the Kingdom of Georgia, resulting in the annexation of several Georgian provinces to the Empire. Basil's successors also annexed Bagratid Armenia in 1045. Importantly, both Georgia and Armenia were significantly weakened by the Byzantine administration's policy of heavy taxation and abolishing of the levy. The weakening of Georgia and Armenia played a significant role in the Byzantine defeat at Manzikert in 1071.

Leo VI achieved the complete codification of Byzantine law in Greek. This monumental work of 60 volumes became the foundation of all subsequent Byzantine law and is still studied today. Leo also reformed the administration of the Empire, redrawing the borders of the administrative subdivisions (the Themata, or "Themes") and tidying up the system of ranks and privileges, as well as regulating the behaviour of the various trade guilds in Constantinople. Leo's reform did much to reduce the previous fragmentation of the Empire, which henceforth had one centre of power, Constantinople. However, the increasing military success of the Empire greatly enriched and gave the provincial nobility more power over the peasantry, who were essentially reduced to a state of serfdom.

Under the Macedonian emperors, the city of Constantinople flourished, becoming the largest and wealthiest city in Europe, with a population of approximately 400,000 in the 9th and 10th centuries. During this period, the Byzantine Empire employed a strong civil service staffed by competent aristocrats that oversaw the collection of taxes, domestic administration, and foreign policy. The Macedonian emperors also increased the Empire's wealth by fostering trade with Western Europe, particularly through the sale of silk and metalwork.

The Macedonian period also included events of momentous religious significance. The conversion of the Bulgarians, Serbs and Rus' to Orthodox Christianity drew the religious map of Europe which still resonates today. Cyril and Methodius, two Byzantine Greek brothers from Thessaloniki, contributed significantly to the Christianization of the Slavs and in the process devised the Glagolitic alphabet, ancestor to the Cyrillic script.

In 1054, relations between the Eastern and Western traditions of the Chalcedonian Christian Church reached a terminal crisis, known as the East–West Schism. Although there was a formal declaration of institutional separation, on 16 July, when three papal legates entered the Hagia Sophia during Divine Liturgy on a Saturday afternoon and placed a bull of excommunication on the altar, the so-called Great Schism was actually the culmination of centuries of gradual separation.

Crisis
The Byzantine Empire soon fell into a period of difficulties, caused to a large extent by the undermining of the theme system and the neglect of the military. Nikephoros II, John Tzimiskes, and Basil II shifted the emphasis of the military divisions (τάγματα, tagmata) from a reactive, defence-oriented citizen army into an army of professional career soldiers, increasingly dependent on foreign mercenaries. Mercenaries were expensive, however, and as the threat of invasion receded in the 10th century, so did the need for maintaining large garrisons and expensive fortifications. Basil II left a burgeoning treasury upon his death, but he neglected to plan for his succession. None of his immediate successors had any particular military or political talent and the imperial administration increasingly fell into the hands of the civil service. Incompetent efforts to revive the Byzantine economy resulted in severe inflation and a debased gold currency. The army was now seen as both an unnecessary expense and a political threat. A number of standing local units were demobilised, further augmenting the army's dependence on mercenaries, who could be retained and dismissed on an as-needed basis.

At the same time, Byzantium was faced with new enemies. Its provinces in southern Italy were threatened by the Normans, who arrived in Italy at the beginning of the 11th century. During a period of strife between Constantinople and Rome culminating in the East-West Schism of 1054, the Normans began to advance, slowly but steadily, into Byzantine Italy. Reggio, the capital of the tagma of Calabria, was captured in 1060 by Robert Guiscard, followed by Otranto in 1068. Bari, the main Byzantine stronghold in Apulia, was besieged in August 1068 and fell in April 1071.

About 1053, Constantine IX disbanded what the historian John Skylitzes calls the "Iberian Army", which consisted of 50,000 men, and it was turned into a contemporary Drungary of the Watch. Two other knowledgeable contemporaries, the former officials Michael Attaleiates and Kekaumenos, agree with Skylitzes that by demobilising these soldiers Constantine did catastrophic harm to the Empire's eastern defences.

The emergency lent weight to the military aristocracy in Anatolia, who in 1068 secured the election of one of their own, Romanos Diogenes, as emperor. In the summer of 1071, Romanos undertook a massive eastern campaign to draw the Seljuks into a general engagement with the Byzantine army.

Battle of Manzikert
See Battle of Manzikert

Many modern scholars believe that the Battle of Manzikert was a tipping point for the Byzantine Empire, hypothesizing that a Byzantine loss would have resulted in the decline and fall of the Eastern Roman Empire. However, a few influential scholars have argued otherwise and the topic and alternate histories that accompany it remain a hot debate in society and fiction. In any case, the Byzantines saw a sharp increase in their fortunes following the battle. The Empire had fully managed to stop the advance of the Seljuk Turks, allowing the beleaguered Byzantines to recover and refortify their borders.

Despite several disadvantages of the Byzantine situation at Manzikert, under the diligent and capable leadership of Romanos, the Byzantine Army triumphed over Seljuk Forces, completely decimating them and forcing the Seljuks back to Persia. Not only did this end the Seljuk threat on the eastern border, it forced the Seljuks to retreat from the Near East, unable to maintain a sufficient force against increasingly hostile natives.

Reconquest of the Middle East (1072-1100)
With newfound vigor, the Byzantine Empire pushed back into the Middle East, recognizing the weakness of the Seljuks in the region and the anarchy which followed the destruction of Seljuk forces at Manzikert, and claimed the lands it lost centuries ago. Marching onward, the Byzantines reconquered Jerusalem and Palestine, restoring Christian control to a city lost long ago to Arabic invaders. Following their victory, as a gesture of good faith, they allowed protected pilgrimages from all of Europe, eliciting the attention of the Pope in Rome. Soon after, the excommunications of the 1050s were reversed, and Chalcedonian Christianity was reunited, though the East-West division would persist for centuries until the Papal-Lombard War

Reconquest of Southern Italy (1100-1150)
Following their earlier losses in Italy and their resurgence in the East, the Empire turned their attention towards the Normans in Italy. With a thirst for revenge, the Byzantines sent a large force to Italia, ostensibly to reconquer the entire peninsula. After dealing crushing defeats against the Normans, the Pope grew nervous and requested an audience with the emperor. The Pope expressed an anxiety about Byzantine incursions further north, and asked the emperor to reconsider the broader campaign with assurances from the Pope that he would do everything in his power to keep Western Europeans from encroaching upon the Empire's lands. This lead to a formal treaty between the emperor and the pope, which reaffirmed the Pope's position as the Patriarch of Rome. This treaty formally recognized a difference in interpretations of supremacy between the Latin and Greek rites of Chalcedonian Christianity, allowing the Pope to continue exerting Papal Supremacy over the Latin rite while the Greek rite was allowed to continue viewing the Pope as the "first among equals." In exchange, the Pope promised to render retribution, up to and including excommunication, to any member of the Latin rite who waged war against the Empire without valid justification or provocation. This treaty, known as the "Treaty of Rome (1150)," provided the Byzantines long lasting security in Europe, and allowed them to turn their focus south, east and towards the seas.

Early Political Reforms (1500-1750)
While the empire continued expanding, the bureaucracy of the empire transformed. The Strategos, once a position of military command, began evolving into a position of nobility and wealth. As the empire expanded, so did the ranks and wealth of the Strategos. The Strategos gained wealth and power, and began pressuring the emperor for increased privileges and rights, sometimes even threatening rebellion to enforce their requests. The emperors, knowing the empire's long history with rebellion and the disaster which ensued following, relented with conditions and negotiations. On the underside of this, however, the Patrician class began growing in wealth as merchants who spanned the breadth of the now massive empire. The court saw this trend, and sought to create ties with the Patrician class to secure a mutual future between the two. In 1750, the Strategos issued the most ambitious demand of theirs thusfar; the establishment of a Strategovouli which would exercise most executive power over the Empire with the Emperor as a figurehead. The Emperor Ioannis VIII, upon receiving the ultimatum, sought the advise of the Patrician guild and of top Patricians, including Agamemnon Makriyannis, who advised the Emperor to resist the demand and pledged the full support of the Patrician class and their wealth. The Emperor, wanting to avoid conflict, instead countered, offering to establish a "Plebeivouli" of the Patricians alongside the Strategovouli, seemingly recognizing that the era of Autocratic supremacy was over and wishing to insert a passive aggressive jab to undermine the Strategos, to set up an eventual karmic retribution against the Strategos. To the surprise of the Emperor, the Strategos enthusiastically agreed to the terms, seeing the establishment of a Plebeivouli as nothing but an advisory board that they could use to control the Patricians, undermining the threat the rising Patrician class posed to the Strategos.

Strategovoulic Supremacy (1750-1800)
The first Strategovouli met in 1750 and established an agenda of gradual reform and peaceful relations. They saw further expansion as unfeasible, and instead decided to diverge their attention to internal development of the empire. To pursue this goal, they differed to the Plebeivouli, tasking them with the broad command of internal development. To this end, they established the position "Prothypourgos," the leader of the Plebeivouli who would guide and take command of any tasks delegated to the Patricians by the Strategos.

The Strategos, content to meet and discuss while deferring tasks to the Plebeivouli, quickly became decadent within their positions of power, not noticing the growing power they unwittingly delegated to the Plebeivouli.

Democratization (1800-1825)
Eventually, the Strategos began delegating even more responsibility to the Plebeivouli, empowering them to create their own tasks and manage the budget directly. The Strategos had previously delegated individual budgeting tasks, typically the entire task in separate chunks, to the Plebeivouli but still retained the approval of the budget. However, in 1800, the Strategos fully empowered the Plebeivouli to manage the budget fully. In 1803, the passage of low level regulations and laws were delegated to the Plebeivouli, though the Strategovouli and Emperor still retained the ultimate authorization on them, rubber stamping them as they passed. Members of the Plebeivouli and even some within the Strategovouli, however, began growing increasingly liberal in their ideas and began advocating for a democratization and standardization of the makeshift parliamentary structure. The old guard Strategos, initially oblivious to this, found little threat to this movement when they became aware of it. However, in 1812, the Strategovouli passed a declaration which affirmed their supremacy in government, as a statement against the Plebeivouli. The Plebeivouli, however, ignored this declaration and refused to recognize it as significant. This enflamed anger within the Strategos, who demanded an audit of the Plebeivouli in 1816 after several declarations went ignored. In response, the Plebeivouli withheld funding from the Strategos, and denied them their pay for membership. Enraged, the Strategos passed an act revoking the budgeting authority of the Plebeivouli. The Emperor Alexios XIII, however, refused to approve the act, citing his belief that a negotiation on this issue was necessary and an independent fiduciary benefited everyone within the empire. In response, the Strategos threatened military action to disband the Plebeivouli and put the emperor on house arrest. Members of the Patrician class acted quickly, and reached out to the military commanders. Ostensibly, the military commanders offered assurances that any acts of tyranny by the Strategos would be ignored, however some evidence exists of bribery. Regardless, the Akritic Guard and Imperial Army both issued statements which precluded any action by the Strategos which would undermine the Emperor. Their fury growing, the Strategos attempted to revoke military command from the chief generals of the branches and appoint loyalists, which was refused by the Emperor. Finally, in 1817 the Chief Strategos issued a command to the Imperial Army to disband the Plebeivouli and place the Emperor on house arrest. Instead of complying with the Strategos, the commander of the Imperial Army, Matthaios Angelides marched a contingent into the Strategovouli and placed the members of the Strategovouli under arrest for treason and insubordination. Officially, the Prothypourgos Loukas Argos denounced the action, but covertly praised Angelides and asked him to retain a presence in the Strategovouli and pressure the passage of a broad list of reforms which would transfer even more power to the Plebeivouli.

Under the barrel of a gun, the Strategovouli passed a package of laws that transferred the chief executive authority to the Prothypourgos and the authority of administration, taxation and military command to the Plebeivouli. The Strategovouli officially retained the prime legislative powers from 1820 until 1825, however, and following the revocation of house arrest and the dismissal of charges, many attempts were made by the Strategovouli to reverse these laws, even appeals were made to the emperor. Finally, in 1824, members of the Strategovouli began plotting to hire mercenary forces and bribing foreign armies to restore their power. This plot was discovered in 1825 after Muscovy sent their rejection to the Prothypourgos instead of the Chief Strategos, and the Prothypourgos ordered the Imperial Army to place the Strategos under arrest once again. This time, the Strategos were forced to defer all all authority, save for the authority over succession laws, to the Plebeivouli, and the Plebeivouli were empowered to appoint 45 Strategos to the Strategovouli. The Chief Strategos Yiannis Melissinos was executed for treason thereafter, and the Strategos never again enjoyed the same power they previously had.