Oxford

St. Brice's Day Massacre - Ethelred orders killing of all Danes in England, Sweyn Forkbeard's sister killed

Matilda's escape from Oxford Castle - escapes Stephen's siege across frozen Thames wearing white as camouflage

Vacarius brings Roman law to Oxford - begins teaching from his Liber Pauperum, introducing Continental legal science to England

Robert Grosseteste born - will develop light metaphysics, experimental method

Provisions of Oxford - barons led by Simon de Montfort impose council of fifteen to control Henry III, birth of parliamentary government