715 The army determines to depose Anastasius, and chooses an obscure person, Theodosius III, who unwillingly assumes the purple.
716 The Mohammedans again invade Asia Minor and besiege Amorium. Leo III the Isaurian relieves the town, makes a truce with the besiegers, and is proclaimed emperor by the army.
THE ISAURIAN DYNASTY AND SUCCEEDING KINGS (716-820 A.D.)
717 Mohammedans besiege Pergamus. They begin the siege of Constantinople, which is raised the following year.
726 The dispute over image-worship arises. Publication of the first iconoclastic decree. The great iconoclastic schism begins, immersing the empire in many calamities and revolts, leading to the final separation of the Greek and Latin churches.
The Mohammedans invade Cappadocia.
727-728 Revolts in Italy and Greece.
734 Mohammedan invasion of Asia Minor.
739 Battle of Acronum.