Historical Events Oct 1 Gerard de Ridefort, grandmaster of the Knights Templar since 1184, is killed in the Siege of Acre Famous Deaths Oct 1 Gerard de Ridefort, grandmaster of the Knights Templar, killed fighting in the Siege of Acre 1188 History by Year 1190 Famous People by Cause of Death Assassination Car Crash Hanging Killed in Action Plane Crash Poisoning