Famous Birthdays
- Apr 6 André Dacier, French classical scholar (d. 1722)
- Apr 10 Ehrenfried Walther von Tschirnhaus, German mathematician (Tschirnhaus transformation), born in Kieslingswalde, Margraviate Upper Lusatia, Saxony (d. 1708)
- Apr 15 Domenico Gabrielli, Italian Baroque composer, born in Bologna, Papal States (d. 1690)
- Apr 21 Joseph Vaz, Oratorian priest and missionary in Ceylon, born in Benaulim, Goa, Portuguese India (d. 1711)
- Apr 30 Jean-Baptiste de la Salle, French priest and saint of the Catholic Church, born in Reims, Champagne, Kingdom of France (d. 1719)
Famous Deaths
- Apr 7 Lennart Torstenson, Swedish soldier and engineer (b. 1603)
Assassination
Drug Overdose
Gunshot Wound
Murder
Plane Crash
Suicide