Challenger Space Shuttle Disaster (1986)
Nanjing Massacre (1937)
Great Patriotic War Losses (WWII)
COVID-19 Pandemic in Canada
Vargas Tragedy Landslide (1955)
Great Barrier Reef Bleaching
Nirbhaya Gang Rape Incident (2012)
Buenos Aires Subway Fire (2004)
Train Derailment Disaster
Algerian Civil War Casualties (1991-2002)