Challenger Space Shuttle Disaster (1986)
Great Chinese Famine (1959-1961)
Great Patriotic War Losses (WWII)
The Halifax Explosion (1917)
Vargas Tragedy Landslide (1955)
Queensland Floods (2010-2011)
Coal Mine Explosions and Accidents
San Juan Earthquake (1944)
Charyn Canyon Flooding
Oil Rig Explosions and Fires