Oct 13 First assembly of Catalan dioceses to choose their syndics (representative) to plead abolition of serfdom to King Alfons IV - 1st official recognition of serfs organizing to defend their rights
Oct 17 Second Battle of Kosovo, where the mainly Hungarian army led by John Hunyadi were defeated by an Ottoman army led by Sultan Murad II.
Dec 5 Bishop Jona of Moscow chosen as metropolitan of Kiev/Intoxication
Dec 20 Pope Nicholas V appoints Rudolf of Diepholt, Bishop of Utrecht, as cardinal
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V