9/11 Terrorist Attacks (2001)
Nanjing Massacre (1937)
Great Patriotic War Losses (WWII)
Westray Mine Disaster (1992)
Slum Violence and Shootouts
Port Arthur Massacre (1996)
COVID-19 Second Wave Crisis (2021)
Plaza de Mayo Massacre (1955)
Karachaganak Oil Field Explosion
1988 October Riots and Crackdown