Boston Marathon Bombing (2013)
Nanjing Massacre (1937)
Norilsk Oil Spill (2020)
The Halifax Explosion (1917)
Brumadinho Dam Collapse (2019)
Port Arthur Massacre (1996)
2004 Indian Ocean Tsunami
Plaza de Mayo Massacre (1955)
Semipalatinsk Nuclear Testing Impact
Algerian War of Independence Casualties