User:Floaterfluss/Close calls

Close calls for humanity:


 * 541—542: Plague of Justinian
 * 1347—1351: Black Death
 * 1815: Eruption of Mount Tambora
 * 1908: Tunguska event
 * 1914—1918: World War I
 * 1918—1920: Spanish flu pandemic
 * 1939—1945: World War II
 * 1962: Cuban missile crisis
 * 1989: Near-collision with 4581 Asclepius

Percentage
Events that killed the highest percentage of the world population:


 * 17.14% — An Lushan Rebellion (756—763)
 * 15.49% — World War I and Spanish flu (1914—1920)
 * 4.16% — Manchu conquest of Ming China (1616—1644)
 * 3.76% — Mongol Conquests (1206—1294)
 * 3.19% — World War II (1939—1945)