The Great Depression (1929)
Cultural Revolution Turmoil (1966-1976)
Russian Wildfires (2010)
The Halifax Explosion (1917)
Slum Violence and Shootouts
Sydney Siege (2014)
2004 Indian Ocean Tsunami
Buenos Aires Subway Fire (2004)
Kazakh Famine (1930s)
Tamanrasset Floods (2020)