Events

• Resolution of Investiture Controversy in the Concordat of Worms
• Pierre Abélard writes Sic et Non

Births

• Eleanor of Aquitaine at Belin (near Bordeaux) (d. 1204)
• Frederick I, Holy Roman Emperor (d. 1190)

Deaths

• Ralph d'Escures, archbishop of Canterbury
• Margrave Ottokar II of Styria