- Jun 28 Spanish troops conquer Buren
- Jul 19 Spanish viceroy Gilles of Hierges attacks Oudewater
- Aug 7 Spanish troops conquer Oudewater, almost all inhabitants died
- Sep 16 King Johan Casimir of Palts promises military aid to the Huguenots
- Oct 10 Battle of Dormans: Roman Catholic forces under Duke Henry of Guise defeated the Protestants, capturing Philippe de Mornay among others.
- Oct 22 Foundation of Aguascalientes (one of 32 Federal Entities of Mexico)
- Nov 8 French Roman Catholics & Huguenots signs treaty
- Dec 14 Polish Parliament selects Istvan Bathory as king of Poland
- Dec 16 The 1575 Valdivia earthquake takes place.