Boston Marathon Bombing (2013)
Shanghai Fire Disaster (2010)
Great Patriotic War Losses (WWII)
Great Depression Effects in Canada
Vargas Tragedy Landslide (1955)
Queensland Floods (2010-2011)
Bhopal Gas Tragedy (1984)
Plaza de Mayo Massacre (1955)
Semipalatinsk Nuclear Testing Impact
1988 October Riots and Crackdown