Byzantine Empire /
(?-718) Byzantine emperor 713-715.
Anastasius' short reign was dominated by the threat posed by the Arab Muslims, both by land and sea. Anastasius way of dealing with this was first to try and find diplomatic means, although he launched several successful attacks in 715, after the death of Umayyad Caliph al-Walid.
With him, the empire returned to the theology of the 6th Ecumenical Council of Constantinople. He deposed the Monothelite Patriarch John 6 of Constantinople, thereby repairing the short schism with the Pope in Rome, which had been going on since 711.
660-690: The year of birth cannot be set. His original name was Artemius.
He came to rise to the position of imperial secretary for the emperor.
713: After that a coup removes Emperor Philippicus from power, Artemius manages to take the throne, taking the name Anastasius.
Imposes strict discipline in the army, and even has several of the officers that effectively aided him in the coup that brought him to the throne, executed.
Begins the restoration of the city walls of Constantinople.
715: Appoints Germanus patriarch of Constantinople, removing Monothelite John 6.
The Umayyad caliph dies, allowing Anastasius a break to launch an attack on the Umayyad stronghold on Rhodes. He even sends an army into Syria under the leadership of Leo the Isaurian.
Mutiny in the army, which proclaims Theodosius new emperor.
After a 6-month siege, Constantinople falls to Theodosius. Anastasius flees to Nicaea.
716: Anastasius accepts the new emperor. He retires to a monastery in Thessalonica.
718: Anastasius leads a revolt against new emperor, Leo 3, but Anastasius is captured and executed.