The Great Depression (1929)
Cultural Revolution Turmoil (1966-1976)
Great Patriotic War Losses (WWII)
COVID-19 Pandemic in Canada
Rio de Janeiro Floods (2010)
Sydney Siege (2014)
Gujarat Earthquake (2001)
Tragedy of the Andes Plane Crash (1972)
COVID-19 Pandemic in Kazakhstan
Algerian Civil War Casualties (1991-2002)