Twenty Years' Anarchy

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Roman Empire

Βασιλεία Ῥωμαίων
695–717
The Byzantine Empire by the end of the Twenty Years' Anarchy in 717 AD. The striped areas were frequently invaded.
The Byzantine Empire by the end of the Twenty Years' Anarchy in 717 AD. The striped areas were frequently invaded.
CapitalConstantinople
Common languagesGreek
Religion
Chalcedonian Christianity
GovernmentMonarchy
Emperor 
• 695–698
Leontios
• 698–705
Tiberios III
• 705–711
Justinian II
• 711–713
Philippikos Bardanes
• 713–715
Anastasios II
• 715–717
Theodosios III
History 
• First deposition of Justinian II
695
• Deposition of Theodosius III
717
Preceded by
Succeeded by
Byzantine Empire under the Heraclian dynasty
Byzantine Empire under the Isaurian dynasty
Part of a series on the
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Byzantine Empire
Territorial development of the Byzantine Empire (330–1453)
Preceding
Early period (330–717)
Middle period (717–1204)
Late period (1204–1453)
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The Twenty Years' Anarchy is a historiographic term used by some modern scholars[1][2][3] for the period of acute internal instability in the Byzantine Empire, marked by the rapid succession of several emperors to the throne between the first deposition of Justinian II in 695 and the ascent of Leo III the Isaurian to the throne in 717, marking the beginning of the Isaurian dynasty.

Justinian II and the usurpers, 685–711[edit]

Twenty Years' Anarchy
Chronology
Leontios 695–698
Tiberios III 698–705
Justinian II 705–711
with Tiberius as co-emperor, 706–711
Philippikos Bardanes 711–713
Anastasios II 713–715
Theodosios III 715–717
Succession
Preceded by
Heraclian dynasty
Followed by
Isaurian dynasty

Justinian II (685–711) set in motion a chain of events by embarking on a despotic and increasingly violent course. His policies met with considerable opposition, eventually provoking a rebellion led by Leontios (695–698) in 695, which deposed and exiled him, precipitating a prolonged period of instability and anarchy, with seven emperors in twenty-two years.[3]

Leontios proved equally unpopular and was in turn overthrown by Tiberios III (698–705). Tiberios managed to bolster the eastern frontier and reinforced the defenses of Constantinople, but meanwhile Justinian was conspiring to make a comeback and after forming an alliance with the Bulgars succeeded in taking Constantinople and executing Tiberios.

Justinian then continued to reign for a further six years (705–711). His treatment of Tiberios and his supporters had been brutal and he continued to rule in a manner that was despotic and cruel. He lost the ground regained by Tiberios in the east, and imposed his views on the Pope. However, before long he faced a rebellion led by Philippikos Bardanes (711–713). Justinian was captured and executed as was his son and co-emperor, Tiberius (706–711), thus extinguishing the Heraclian line. Justinian had taken the Byzantine empire yet further from its origins. He effectively abolished the historical role of Consul, merging it with Emperor, thus strengthening the Emperors' constitutional position as absolute monarch.

Philippikos Bardanes, 711–713[edit]

Philippikos' rebellion extended beyond politics to religion, deposing the Patriarch Cyrus, reestablishing Monothelitism and overturning the Sixth Ecumenical Council, which in turn alienated the empire from Rome. Militarily the Bulgars reached the walls of Constantinople, and moving troops to defend the capital allowed the Arabs to make incursions in the east. His reign ended abruptly when an army rebellion deposed him and replaced him with Anastasius II (713–715).

Anastasius II, 713–715[edit]

Anastasius reversed his predecessor's religious policies and responded to Arab attacks by sea and land, this time reaching as far as Galatia in 714, with some success. However the very army that had placed him on the throne (the Opsikion army) rose against him, proclaimed a new emperor and besieged Constantinople for six months, eventually forcing Anastasius to flee.

Theodosius III, 715–717[edit]

The troops had proclaimed Theodosius III (715–717) as the new emperor, and once he had overcome Anastasius was almost immediately faced with the Arab preparations for the Second Arab siege of Constantinople (717–718), forcing him to seek assistance from the Bulgars. He in turn faced rebellion from two other themata, Anatolikon and Armeniakon in 717, and chose to resign, being succeeded by Leo III (717–741) bringing an end to the cycle of violence and instability.

It is surprising that the Byzantine Empire was able to survive, given its internal problems, the speed with which the Sassanid Empire collapsed under the Arab threat, and the fact that it was being threatened simultaneously on two fronts. However the strength of the military organization within the empire, and factional struggles within the Arab world enabled it to do so.

See also[edit]

References[edit]

  1. ^ Kaegi (1994), pp. 186, 195
  2. ^ Bellinger & Grierson (1992), p. 5
  3. ^ a b Jenkins, Romilly (1966). Byzantium The Imperial centuries AD 610-1071. p. 56

Sources[edit]

  • Kaegi, Walter Emil (1992). Byzantium and the Early Islamic Conquests. Cambridge, United Kingdom: Cambridge University Press. ISBN 978-0-521-41172-1.
  • Bellinger, Alfred Raymond; Grierson, Philip, eds. (1992). Catalogue of the Byzantine Coins in the Dumbarton Oaks Collection and in the Whittemore Collection: Phocas to Theodosius III, 602-717. Part 1. Phocas and Heraclius (602-641). Dumbarton Oaks. ISBN 9780884020240.
  • Jenkins, Romilly (1966). Byzantium The Imperial centuries AD 610-1071. Weidenfeld & Nicolson ISBN 0-8020-6667-4