What happened 21 August in United States of America

On August 24, the American army under Wayne's leadership defeated the western confederacy at the Battle of Fallen Timbers, and the Treaty of Greenville in August 1795 opened up two-thirds of the Ohio Country for American settlement.

No signed version ever existed. The document was threshed out through several drafts and the final agreed text was telegraphed to London and Washington. President Roosevelt gave Congress the Charter's content on 21 August 1941.

21 August 1945: While conducting impromptu experiments on a third core (an alloy of plutonium and gallium) which had been prepared for atomic warfare at Los Alamos National Laboratory, physicist Harry Daghlian received a lethal dose of radiation. He died on 15 September 1945.

Having become one of Hollywood's most popular box-office attractions, she starred in a series of successful films during the remainder of the decade, including her BAFTA- and Golden Globe-nominated role as Natasha Rostova in War and Peace (1956), an adaptation of the Tolstoy novel set during the Napoleonic wars, starring Henry Fonda and her husband Mel Ferrer.

The first film packaged and licensed by Marvel Studios was Blade, based on the vampire hunter Blade. The film was directed by Stephen Norrington and starred Wesley Snipes as Blade. It was released on August 21, 1998, grossing $70,087,718 in the United States and Canada and $131,183,530 worldwide.

While on holiday in Las Vegas in August 2012, Harry and an unknown young woman were photographed naked in a Wynn Las Vegas hotel room, reportedly during a game of strip billiards. The pictures were leaked by American celebrity website TMZ on 21 August 2012, in May 2019, Splash News issued a formal apology to Harry and his wife for sending photographers to their Cotswolds residence, which put their privacy at risk. The agency also agreed to pay a "substantial" sum of damages and legal costs associated with the case.

On August 21, 2018, former Trump campaign chairman Paul Manafort was convicted on eight felony counts of false tax filing and bank fraud. Trump said he felt very badly for Manafort and praised him for resisting the pressure to make a deal with prosecutors, saying "Such respect for a brave man!" According to Rudy Giuliani, Trump's personal attorney, Trump had sought advice about pardoning Manafort but was counseled against it.