Boston Marathon Bombing (2013)
Cultural Revolution Turmoil (1966-1976)
Vladimir Lenin's Death and Aftermath (1924)
Great Depression Effects in Canada
2014 FIFA World Cup Violence
Port Arthur Massacre (1996)
Uttarakhand Floods (2013)
Political Repression during Dirty War
Karachaganak Oil Field Explosion
Harragas Mediterranean Sea Tragedies