August 21 is the 233rd day of the year (234th in leap years) in the Gregorian Calendar. There are 132 days remaining.
August 21 - Events.
1192 - Minamoto Yoritomo becomes Seii Tai ShÅgun 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
1770 - James Cook formally claims eastern Australia for Great Britain, naming it New South Wales.
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