It is the 257th day of the year, with 108 days remaining until the new year.
1814 - The poem Defence of Fort McHenry is written by Francis Scott Key. The poem is later used as the lyrics of the Star-Spangled Banner.
1836 - Aaron Burr, American political figure but known for killing Alexander Hamilton in a duel in 1804. He dies at the age of 80.
1847 - Winfield Scott captures Mexico City during the Mexican-American War.
1862 - The Battle of South Mountain, part of the Maryland Campaign, is fought.
1869 - Kid Nichols, American baseball player, known for his steadfast consistency and a winner of 361 games.
1901 - William McKinley dies after an assassination attempt eight days earlier. He is succeeded as President of the United States by Theodore Roosevelt.
1944 - Maastricht becomes the first Dutch city to be liberated by Allied forces.
1948 - Groundbreaking for the United Nations headquarters in New York City.
1958 - The first two German post-war rockets, designed by the German engineer Ernst Mohr, reach the upper atmosphere.
1960 - The Organization of the Petroleum Exporting Countries, known as OPEC, is founded.
1982 - Grace Kelly, American actress, who became Princess consort of Monaco, dies at the age of 52.
1984 - Joe Kittinger, becomes the first person to fly a hot air balloon alone across the Atlantic Ocean.
1987 - The Toronto Blue Jays, set a record for the most home runs in a single game, hitting 10 in total.
1994 - The Major League Baseball season is canceled because of a strike.
2009 - Patrick Swayze, American actor who is best known for his tough guy roles and as a romantic leading man, dies at the age of 57.