Major Events
- Jan 26 The Council of Trent issued its conclusions in the Tridentinum, establishing a distinction between Roman Catholicism and Protestantism
- Feb 21 King Philip II advises Cardinal Antoine Perrenot de Granvelle to retire from the Netherlands to Franche-Comté in France
- Mar 13 Cardinal Granvelle flees Brussels
- Apr 11 England & France sign Peace of Troyes
- Apr 11 Liege prince-bishop Robert van Bergen resigns
- Apr 26 William Shakespeare is baptized in Stratford-upon-Avon, Warwickshire, England
- May 30 (-31st) The first battle of Öland (between the islands of Gotland and Öland): Lübeck & Denmark beat Sweden
- Jul 25 Maximilian II succeeds his father Ferdinand I as Holy Roman Emperor
- Aug 18 Spanish King Philip II joins Council of Trent
- Sep 29 Robert Dudley becomes Earl of Leicester
- More 1564 Events