1420 in History
March 1 Pope Martinus I calls for crusade against the hussieten
April 21 Treaty of Saint Maartens Dike
May 21 Treaty of Troyes-French King Charles VI gives France to English
May 23 Jews of Syria and Austria expelled
July 14 Battle at Vitkov Zizka's hill (Prague): Taboriets beat Bohemia
August 5 Duke John VI of Bavaria visits "Christ's bride"/virgin Liduina