Historical Events 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) Events in 1575 Sep 1575 History by Year Nov 1575 Famous People by Cause of Death Assassination Car Crash Hanging Killed in Action Plane Crash Poisoning