Challenger Space Shuttle Disaster (1986)
Nanjing Massacre (1937)
Kursk Submarine Disaster (2000)
Westray Mine Disaster (1992)
Vargas Tragedy Landslide (1955)
Indigenous Peoples' Displacement
Kumbh Mela Stampede (2013)
Plaza de Mayo Massacre (1955)
Aral Sea Environmental Disaster
Algerian Civil War Casualties (1991-2002)