On This Day: August 10th

Battle of St. Quentin: Spanish victory over the French in the Italian War of 1551-59.

Ferdinand Magellan's five ships set sail from Seville to circumnavigate the globe. The Basque second-in-command Juan Sebastián Elcano will complete the expedition after Magellan's death in the Philippines.

The naval Battle of Saint-Mathieu, during the War of the League of Cambrai, sees the simultaneous destruction of the Breton ship La Cordelière and the English ship The Regent.

Jaume Ferrer sets out from Mallorca for the "River of Gold", the Senegal River.

The Second Battle of Athenry takes place near Athenry during the Bruce campaign in Ireland.

Yekuno Amlak takes the imperial throne of Ethiopia, restoring the Solomonic dynasty to power after a 100-year Zagwe interregnum.

The Battle of Azaz ends with a humiliating retreat of the Byzantine emperor, Romanos III Argyros, against the Mirdasid rulers of Aleppo. The retreat degenerates into a rout, in which Romanos himself barely escapes capture.

Battle of Maldon: The English, led by Byrhtnoth, Ealdorman of Essex, are defeated by a band of inland-raiding Vikings near Maldon, Essex.

Battle of Lechfeld: Otto I, Holy Roman Emperor defeats the Magyars, ending 50 years of Magyar invasion of the West.

Pope Eugene I elected to succeed Martinus I.