Byzantine Empire

• Ex-Emperor Anastasios II starts a revolt against Leo III with considerable support, including auxiliaries provided by Tervel, emperor (khagan) of the Bulgarian Empire. His attack on Constantinople fails; Anastasios is captured and is put to death (by beheading), on the orders of Leo.

Europe

• Umayyad conquest of Gaul (first major Muslim attack upon Visigothic Septimania, in southern France): Governor Al-Samh takes or re-takes Narbonne (Arbouna for the Arabs), before raiding the Toulouse area. Many town defenders and inhabitants are killed in the aftermath by the Umayyad forces.^[1]
• Frisian–Frankish War: Charles Martel defeats Redbad, King of the Frisians. He easily invades Frisia (modern Netherlands) and subjugates the territory. Charles also crosses the Rhine and annexes "farther" Frisia, to the banks of the River Vlie.^[2]: 795
• Duke Grimoald becomes sole ruler of Bavaria, after the deaths of his brothers Theodbert, Theobald, and Tassilo II. He reunites the duchy after a civil war, and makes his capital Salzburg (approximate date).^{[citation needed]}
• May – Chilperic II is raised on the shield after the death of Chlothar IV, and recognized by Charles Martel as king (roi fainéant) of the Franks. Charles, however, gains a monopoly on power and royal offices.^{[citation needed]}

Religion

• The Church of Nubia transfers its allegiance, from the Eastern Orthodox Church to the Coptic Church (approximate date).

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