April 20 – History, Events, Births, Deaths, Holidays and Observances On This Day
April 20 in History 1303 – The Sapienza University of Rome is instituted by a bull of Pope Boniface VIII. 1453 – Three Genoese galleys and a Byzantine blockade runner fight their way through an Ottoman blockading fleet a few weeks before the fall of Constantinople. 1534 – Jacques Cartier begins his first voyage…