The Great Depression (1929)
Cultural Revolution Turmoil (1966-1976)
Great Patriotic War Losses (WWII)
Quebec Floods (2019)
Bus Fire Disaster in Rio (2019)
Sydney Siege (2014)
Nirbhaya Gang Rape Incident (2012)
AMIA Bombing (1994)
Semipalatinsk Nuclear Testing Impact
Harragas Mediterranean Sea Tragedies