763 BC Assyrians recorded a solar eclipse that was later used to fix the chronology of Mesopotamian history.
1094, El Cid, the great Spanish national hero, captured Valencia from the Moors.
1184 King Magnus V of Norway was killed at the Battle of Fimreite.
1215 Magna Carta sealed: Following a revolt by the English nobility against his rule, King John puts his royal seal on the Magna Carta, or "Great Charter."
1219 King Valdemar brought victory for Denmark. According to legend, the Danish flag fell from the sky during the Battle of Lyndanisse (now Tallinn) in Estonia, turning the tide in favor of the Danes.
1330 Edward, the Black Prince was born.
1381 Wat Tyler, leader of English Peasants' Revolt, was beheaded in London.
1520 Pope Leo X threatened to excommunicate Martin Luther in papal bull Exsurge Domine.