On This Day: May 26th

The Battle of Haarlemmermeer, a naval engagement in the Eighty Years' War.

Geneva expels John Calvin and his followers from the city. Calvin lives in exile in Strasbourg for the next three years.

William of Ockham, the Franciscan Minister-General Michael of Cesena, and two other Franciscan leaders secretly leave Avignon, fearing a death sentence from Pope John XXII.

An earthquake strikes Kamakura, Kanagawa, Japan, killing about 23,000.

Alfonso VII of León and Castile is crowned in León Cathedral as Imperator totius Hispaniae (Emperor of all of Spain).

King Otto I elects his six-year-old son Otto II as heir apparent and co-ruler of the East Frankish Kingdom. He is crowned at Aachen, and placed under the tutelage of his grandmother Matilda.

England is left temporarily without a monarch after the death of King Edmund I in a street fight, resulting in Edmund's brother Eadred assuming the throne for the minority of Edmund's two sons.

Basil I is crowned as co-emperor of the Byzantine Empire by Michael III.

Battle of Avarayr between Armenian rebels and the Sasanian Empire takes place. The Sasanids defeat the Armenians militarily but guarantee them freedom to openly practice Christianity.

Germanicus celebrates a triumph in Rome for his victories over the Cherusci, Chatti, and other German tribes west of the Elbe.