What Happened in 1142
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- Jan 27 Wrongful execution of noted Song Dynasty General Yue Fei
- Aug 31 Possible date for establishment of the Iroquois (Haudenosaunee) League [disputed date - other research places date between 1450 and 1660]
- Oct 11 Treaty of Shaoxing ratified with Chinese southern Song Dynasty agreeing to pay tribute to northern Jin dynasty
- Apr 21 Peter Abélard, French scholar and lover of Heloise (b. 1079)
- Jun 13 Godfried II, Count of Louvain and Duke of Brabant (1139-42), dies at about 32
- Jun 25 Gulielmus of Vercelli, Italian hermit, monastery founder and saint, dies
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List of Years