Events

• End of the reign of Emperor Sutoku of Japan
• Emperor Konoe ascends to the throne of Japan
• Henry the Lion becomes Duke of Saxony

Births

• Muin ad-Din Hasan , Indian Muslim saint
• Farid ad-Din Attar, Sufi mystic poet

Deaths

• April 21 - Pierre Abélard, French scholastic philosopher (b. 1079)