Theodosius III, emperor of the Byzantine Empire (715-717), was a financial officer and tax collector in Adramyttium before being acclaimed in May of 715 as an imperial candidate for the troops of the Opsikian theme rebelling against Anastasius II. The Byzantine Empire is the term conventionally used to describe the Greek-speaking Roman Empire during the Middle Ages, centered at its capital in Constantinople. ... Events August 11 - Germanus is translated from the bishopric of Cyzicus to the Patriarch of Constantinople Umayyad caliph al-Walid I ibn Abd al-Malik succeeded by Sulayman ibn Abd al-Malik End of the reign of Empress Gemmei of Japan, she is succeeded by Empress Gensho. ... Events March 25 - Leo III usurps the throne of Byzantium August 15 - Muslama begins the Second Arab siege of Constantinople. ... Edremit is a Turkish city on the west coast of Asia Minor, not far from the Greek island Lesbos. ... Themes (singular thema) were administrative units of land in the Byzantine Empire. ... Anastasius II (died 721), Byzantine emperor, whose original name was Artemius, was raised to the throne of Constantinople by the voice of the senate and people in 713, on the deposition of Philippicus, whom he had served in the capacity of secretary. ...

According to the chronicler Theophanes, Theodosius was unwilling to accept the honor, but found himself unable to reject it. The future emperor and his troops immediately laid siege to Constantinople. Six months later, in November, they captured the city and deposed Anastasius. Theophanes (died 817 or 818) was a Byzantine monk and chronicler. ... Map of Constantinople. ...

Little is known of Theodosius' short reign. He immediately faced rebellions in Anatolia and invasion by an Arab fleet. In 716 he concluded a treaty with the Khan Tervel favorable to the Bulgarians in effort to repel the Arab invasion. Asia Minor lies east of the Bosporus, between the Black Sea and the Mediterranean. ... The Arabs (Arabic: عرب ʻarab) are a large and heterogenous ethnic group found throughout the Middle East and North Africa, originating in the Arabian Peninsula of southwest Asia. ... Khan Tervel or Tarvel, or Terval, or Terbelis in some Byzantine sources, was the khan of the Bulgars from 700 or 701-718. ...

In 717, Leo the Isaurian (the future Leo III) rebelled against Theodosius' rule. Theodosius' son was captured by Leo in Nicomedia, and Theodosius chose to resign the throne on March 25, 717. He and his son subsequently entered the clergy. Leo III (disambiguation). ... March 25 is the 84th day of the year in the Gregorian calendar (85th in leap years). ...

By 729 Theodosius is believed to have become bishop of Ephesus. Modern historians however suspect the bishop was actually Theodosius' namesake son. Either way, this bishop was last recorded alive on July 24, 754, taking part in the iconoclastic Council of Hieria. Events Births Deaths Categories: 729 ... Ephesus (Greek: Έφεσσος) was one of the great cities of the Ionian Greeks in Asia Minor, located in Lydia where the Cayster river flows into the Aegean Sea (in modern day Turkey). ... July 24 is the 205th day (206th in leap years) of the year in the Gregorian Calendar, with 160 days remaining. ... Events Pope Stephen III crowns Pepin the short King of the Franks at St. ... Literally, iconoclasm is the destruction of religious icons and other sacred images or monuments, usually for religious or political motives. ...