1140

Year 1140 (MCXL) was a leap year starting on Monday (link will display the full calendar) of the Julian calendar.

Millennium:	2nd millennium
Centuries:	11th century – 12th century – 13th century
Decades:	1110s  1120s  1130s  – 1140s –  1150s  1160s  1170s
Years:	1137 1138 1139 – 1140 – 1141 1142 1143

Events

By area

Europe

• 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.
• Marburg becomes a town.
• The Assizes of Ariano are enacted by Roger II of Sicily.
• Roger II of Sicily places the practice of medicine under royal control.

By topic

Religion

• June 3 – Pierre Abelard is condemned for heresy by a church court in Sens, France.
• September 8 – Sephardi Jewish philosopher Judah Halevi, having completed the Kuzari, arrives in Alexandria on a pilgrimage to Palestine.
• The first Cistercian monastery in Spain is founded in Fitero. The order enjoys a rapid expansion in the region in the following 15 years.
• Camaldolite monk Gratian founds the science of Canon law with the publication of the Decretum Gratiani.

Births

• May 28 – Xin Qiji, Chinese poet (d. 1207)
• Minamoto no Yoshihira, Japanese warrior (d. 1160)

Deaths

• January 12 – Louis I, Landgrave of Thuringia
• February 6 – Thurstan, Archbishop of York
• February 14
  • Soběslav I, Duke of Bohemia
  • Leo I, Prince of Armenia
• November 15 – Adelaide of Hungary, Duchess of Bohemia
• date unknown &ndahs; Kitti Sri Megha, Sri Lankan ruler