Historical Events Apr 9 Marcello Cervini elected Pope Marcellus II Apr 17 Siena surrenders to Spanish troops Events in 1555 Famous Birthdays Apr 21 Ludovico Carracci, Italian painter, born in Bologna, Papal States (now Italy) (d. 1619) Born in 1555 Famous Deaths Apr 12 Joanna of Castile (Joanna the mad), wife of Philip I of Castile dies at 75 Mar 1555 History by Year May 1555 Famous People by Cause of Death Assassination Drug Overdose Gunshot Wound Murder Plane Crash Suicide