1229 The Sixth Crusade:
Frederick II, Holy Roman Emperor signed a ten-year truce with al-Kamil,
regaining Jerusalem, Nazareth, and Bethlehem with neither military engagements
nor support from the papacy.
1478 George, Duke of Clarence, convicted of
treason against his older brother Edward IV of England, was executed.
Henry Tudor (Henry VIII) was created Prince of Wales.