With Eric Harris he killed 12 students and one teacher in the Columbine High School Massacre. Klebold was equipped with a 9×19mm Intratec TEC-9 semi-automatic handgun with one 52-, one 32-, and one 28-round magazine and a 12-gauge Stevens 311D double-barreled sawed-off shotgun. (20 April 1999)
There are 3033 births, 3162 deaths, 832 murders, 387 disasters and 1709 other events about 4850 people in 5458 places until today.
Birth(+)Fact(x)Death(-) Calendar is an ongoing project since 1985 by DDV.