Sandy Hook Elementary School Shooting (2012)
Nanjing Massacre (1937)
Vladimir Lenin's Death and Aftermath (1924)
Quebec Floods (2019)
Carandiru Prison Massacre (1992)
Adelaide Hills Bushfires (2015)
Coal Mine Explosions and Accidents
Economic Crisis and Unemployment (2001)
Semipalatinsk Nuclear Testing Impact
Desert Storm Dust Storms