Leo III the Isaurian

Type Figure Region Europe Time c. 685–741 Also known as Leo III the Isaurian、Leo the Isaurian、Λέων Γ΄ ὁ Ἴσαυρος、伊索里亚的利奥

Byzantine emperor (r. 717–741), founder of the Isaurian dynasty. He led the defense that repelled the Arab siege of Constantinople (717–718), laying …

Timeline

c. 705–717Anatolia · Byzantine EmpireLeo III came from Isauria and built up a military record in the eastern themes. After a mutiny overthrew Anastasius II in 715, he was proclaimed emperor at Constantinople in 717.
717–741Constantinople · Byzantine EmpireDuring his reign Leo III successfully repelled the Arab siege of Constantinople (717–718), reformed the military administration and tax system, and from 726 began implementing iconoclast policies, provoking long-lasting controversy within the church and among the populace.
741Constantinople · Byzantine EmpireLeo III died in 741. His son Constantine V and grandson Leo IV succeeded him in turn, and the Isaurian dynasty continued his line on iconoclasm and military reform.

Sources

The Oxford Dictionary of Byzantium — Alexander Kazhdan (ed.) (1991)
Byzantium: The Early Centuries — John Julius Norwich (1990)