The Great Depression (1929)
Cultural Revolution Turmoil (1966-1976)
Russian Wildfires (2010)
Great Depression Effects in Canada
Air France Flight 447 Crash (2009)
Queensland Floods (2010-2011)
Coal Mine Explosions and Accidents
Plaza de Mayo Massacre (1955)
Zhanaozen Massacre (2011)
Industrial Accidents in Oil Fields