1764 murders

right|170px|thumb|Habsburg army in Siculeni was commanded by general Joseph von Siskovich The Massacre at Madéfalva took place at Csík-Mádéfalva, Grand Principality of Transylvania (today Siculeni in Romania). In Latin Siculicidium "murder of Székelys" was a mass murder committed against Székelys by the Habsburg army in 1764, under Maria Theresa.

School massacre in Pennsylvania, United States