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 3207 births, 3595 deaths, 1028 murders, 445 disasters and 1867 other events about 5379 people in 5974 places until today.
Birth(+)Fact(x)Death(-) Calendar is an ongoing project since 1985 by DDV.