Events

• June 3 – Pierre Abelard is condemned for heresy by a church court in Sens, France.

• December 21 – Conrad III of Germany besieged Weinsberg, the stronghold of Welfs.

• Henry Jasomirgott is made count palatine of the Rhine.

• The town of Lanark in Scotland is made a Royal Burgh by David I of Scotland.

• Camaldolite monk Gratian founds the science of Canon law with the publication of the Decretum Gratiani.

• Marburg becomes a town.

• The Assizes of Ariano are enacted by Roger II of Sicily.

• Roger II of Sicily takes the practice of medicine under royal control.

Births

• May 28—Xin Qiji, Chinese poet (d. 1207)

• Minamoto no Yoshihira, Japanese warrior (d. 1160)

Deaths

• February 6—Thurstan, Archbishop of York

• February 14—Leo I of Armenia

• Orderic Vitalis, monk and historian