1523 in History
January 29 Sermon of Constanz: Zwingli defends 67 Schlussreden
May 1 Danish king Christian III arrives in Veere
June 6 Gustavus I becomes king of Sweden (Swedish National Day)
June 12 Frisian rebel leader Jancko Douwama arrested
September 19 Emperor Charles I and England sign anti-French covenant
October 27 English troops occupy Montalidier France
November 19 Giulio de' Medici chosen as Pope Clemens VII
November 30 Amsterdam bans assembly of heretics