List of 1140 Major News Events in History, Most Important Historical Events in 1140
| Date | Event |
|---|---|
| June 3, 1140 | The French scholar Peter Abelard is found guilty of heresy. |
| August 21, 1140 | Song dynasty general Yue Fei defeats an army led by Jin dynasty general Wuzhu at the Battle of Yancheng during the Jin–Song Wars. |
| December 21, 1140 | After a siege of several weeks, the city of Weinsberg and its castle surrender to Conrad III of Germany. |