1788: The Philadelphia Convention sets the date for the first presidential election in the United States, and New York City becomes the country's temporary capital.
1812: War of 1812: A supply wagon sent to relieve Fort Harrison is ambushed in the Attack at the Narrows.
1814: In a turning point in the War of 1812, the British fail to capture Baltimore. During the battle, Francis Scott Key composes his poem "Defence of Fort McHenry", which is later set to music and becomes the United States' national anthem.
1843: The Greek Army rebels (OS date: September 3) against the autocratic rule of king Otto of Greece, demanding the granting of a constitution.
1848: Vermont railroad worker Phineas Gage survives an iron rod 1 1⁄4 inches (3.2 cm) in diameter being driven through his brain; the reported effects on his behavior and personality stimulate thinking about the nature of the brain and its functions.
1948: Deputy Prime Minister of India Vallabhbhai Patel orders the Army to move into Hyderabad to integrate it with the Indian Union.
1948: Margaret Chase Smith is elected United States senator, and becomes the first woman to serve in both the U.S. House of Representatives and the United States Senate.
1956: The dike around the Dutch polder East Flevoland is closed.
1956: The IBM 305 RAMAC is introduced, the first commercial computer to use disk storage.
1962: An appeals court orders the University of Mississippi to admit James Meredith the first African-American student admitted to the segregated University of Mississippi,
1987: [Goiânia](https://wikipedia.org/wiki/Goi%C3%A2nia) accident: A radioactive object is stolen from an abandoned hospital in Goiânia, Brazil, contaminating many people in the following weeks and causing some to die from radiation poisoning.
1988: Hurricane Gilbert is the strongest recorded hurricane in the Western Hemisphere, later replaced by Hurricane Wilma in 2005 (based on barometric pressure).
2013: Taliban insurgents attack the United States consulate in Herat, Afghanistan, with two members of the Afghan National Police reported dead and about 20 civilians injured.