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Heraclius's Byzantine Restoration

Type Event Region Eastern Roman Empire Time 610–628

Between 610 and 628 CE Heraclius overthrew Phocas, reorganized the empire's military and government, recovered lost territory in the long war with Sa…

Timeline

  1. 610Constantinople · ConstantinopleHeraclius led an army east from North Africa, overthrew the tyrant Phocas, and was crowned emperor in Constantinople. The new regime reformed the court and finances, gaining breathing room to face the imminent Persian threat.
  2. 614–626Syria and Anatolia · SyriaSasanian Persia's Khosrow II launched a major westward invasion; Jerusalem and Egypt fell in succession, and the True Cross was carried off. Byzantine finances were exhausted and its forces battered; by 626 an Avar-Persian coalition reached the walls of Constantinople, and the empire neared collapse.
  3. 627–628Mesopotamia · MesopotamiaHeraclius personally led his army deep into the Persian heartland, winning a decisive victory near Nineveh. Khosrow II was killed, and Persia's new ruler made peace with Byzantium, returning plundered relics and territory. Though most eastern provinces were beyond recovery, the imperial core was preserved.
  4. 620–628Anatolia · AnatoliaHeraclius implemented a theme-based military-administrative layout, granted land in exchange for military service, and established Greek as the empire's official language. Church and emperor worked closely together, forging ideological cohesion against foreign enemies and laying institutional groundwork for resisting Arab expansion.

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