Event Dead, in thousands   Plague of Justinian 100,000   Genghis Khan takes Baghdad 1,000   Black Death 25,000   Smallpox in Mexico 800   Plague in London 100   Cholera in Russia 2,000+   Irish famine 1,500   US Civil War 750   Armenian genocide 600   WWI 14,662   Spanish flu 20,000   Tokyo earthquake 132   Szechwan famine 3,000   Holocaust 6,000   WWII 40,000   Korean War 4,000   Vietnam War 3,000   Cambodian genocide 3,000   Bosnian genocide 250   Asian Tsunami 225

Too small to show up: Inquisition, St. Bartholomew's Day Massacre, Salem Witch Trials, explosion of Vesuvius, Lisbon earthquake, Indonesian volcano, famines, New Orleans yelow fever epidemic, US yellow fever outbreak, San Francisco earthquake, Colombian earthquake, Mexican earthquake, Armenian earthquake, Johnstown flood, Twin Towers Tragedy, Titanic sinking, train accidents, plane crashes, car crashes, factory explosions . . .