August 21st is the 233rd day of the year (234th in leap years) in the Gregorian calendar. There are 132 days remaining until the end of the year.

Events

1140 – Song dynasty general Yue Fei defeated an army led by Jin dynasty general Wuzhu at the Battle of Yancheng during the Jin–Song Wars.

1831 – Nat Turner led a slave revolt in Southampton County, Virginia, U.S., which was suppressed about 48 hours later.

1944 – World War II: A combined Canadian–Polish force captured the strategically important town of Falaise, France, in the final offensive of the Battle of Normandy.

1993 – NASA lost contact with its Mars Observer spacecraft, three days before orbital insertion.

2015 – Passengers subdued an attacker in a train heading from Amsterdam to Paris, resulting in four injuries, including the attacker himself.

Celebrity Birthdays

Kim Cattrall turns 62

Carrie-Anne Moss turns 51

Usain Bolt turns 32

Hayden Panettiere turns 29

Bo Burnham turns 28