9/11 Terrorist Attacks (2001)
Tiananmen Square Massacre (1989)
Chernobyl Nuclear Disaster (1986)
Great Depression Effects in Canada
Vargas Tragedy Landslide (1955)
Black Saturday Bushfires (2009)
Bhopal Gas Tragedy (1984)
Buenos Aires Subway Fire (2004)
COVID-19 Pandemic in Kazakhstan
Algerian Civil War Casualties (1991-2002)