Events
- 1776 – Thomas Hickey, Continental Army private and bodyguard to General George Washington, was hanged for mutiny and sedition.
- 1778 – American Revolutionary War: Battle of Monmouth fought between the American Continental Army under George Washington and the British Army led by Sir Henry Clinton.
- 1855 – The Sigma Chi fraternity was founded at Miami University.
- 1887 – Minot, North Dakota incorporated as a city.
- 1894 – Labor Day becomes an official US holiday.
- 1902 – The U.S. Congress passes the Spooner Act, authorizing President Theodore Roosevelt to acquire rights from Colombia for the Panama Canal.
- 1919 – The Treaty of Versailles is signed in Paris, formally ending World War I between Britain, France, Italy, the United States and allies on the one side and Germany and Austria Hungary on the other side.
- 1964 – Malcolm X forms the Organization of Afro-American Unity.
- 1969 – Stonewall riots begin in New York City.
- 1978 – The United States Supreme Court, in Regents of the University of California v. Bakke bars quota systems in college admissions.
- 1983 – The Mianus River Bridge collapses over the Mianus River in Connecticut, killing 3 drivers in their vehicles.
- 1988 – The worst confined–space industrial accident in U.S. history occurs at a metal–plating plant in Auburn, Indiana, killing five.
- 1990 – Paperback Software International Ltd. found guilty by a U.S. court of copyright violation for copying the appearance and menu system of Lotus 1–2–3 in its competing spreadsheet program.
- 1997 – Mike Tyson vs Evander Holyfield II – Tyson is disqualified in the 3rd round for biting a piece from Holyfield's ear.
- 2000 – Cuban exile Elián González returns to Cuba following a Supreme Court order.
- 2001 – U.S. Appeals Court overturns a lower court's order to break up Microsoft in an antitrust case.
- 2004 – Sovereign power is handed to the interim government of Iraq by the Coalition Provisional Authority, ending the U.S.–led rule of that nation.
- 2005 – A final design for Manhattan's Freedom Tower is formally unveiled.