User:Hawkeye7/War/Selected anniversaries/August 21

August 21

 * 1192 - Minamoto Yoritomo becomes Seii Tai Shōgun and the de facto ruler of Japan. (Traditional Japanese date: July 12, 1192).
 * 1680 - Pueblo Indians capture Santa Fe from Spanish during the Pueblo Revolt.
 * 1852 - Tlingit Indians destroy Fort Selkirk, Yukon Territory.
 * 1968 - Soviet Union-dominated Warsaw Pact troops invade Czechoslovakia, crushing the Prague Spring; on the same day, Nicolae Ceaușescu, leader of Communist Romania, publicly condemns the Soviet maneuver, encouraging the Romanian population to arm itself against possible Soviet reprisals.