- 1787 – The U.S. Constitution is completed and signed by a majority of delegates attending the constitutional convention in Philadelphia
- 1920 – The American Professional Football Association - a precursor of the National Football League - is formed in Canton, Ohio
- 1939 – The Soviet Union invades Poland during World War II
- 1972 – The comedy series "M*A*S*H" premieres on CBS
- 1976 – NASA unveils the space shuttle Enterprise
- 1980 – Former Nicaraguan president Anastasio Somoza is assassinated in Paraguay
- 1986 – The Senate confirms the nomination of William H. Rehnquist as the 16th chief justice of the United States
- 1994 –Heather Whitestone of Alabama becomes the first deaf woman to be crowned Miss America
- 1999 – President Bill Clinton lifts restrictions on trade, travel and banking imposed on North Korea a half-century earlier
- 2001 – Wall Street trading resumes for the first time since the Sept. 11 terrorist attacks - its longest shutdown since the Depression; the Dow lost 684.81 points, its worst-ever one-day point drop
- 2001 – Pro sporting events resume after a six-day hiatus following the September 11 terrorist attacks
- 2003 – New York Stock Exchange chairman Dick Grasso resigns amid a furor over his $139.5 million pay package
- 2004 – Chechen warlord Shamil Basayev claims responsibility for the September 1-3 school siege in Beslan and other terrorist attacks in Russia that claims more than 430 lives
- 2004 – San Francisco Giants slugger Barry Bonds hits his 700th career home run, joining Babe Ruth (714) and Hank Aaron (755) as the only players to reach the milestone
Famous and Historical Birthdays - Say Happy Birthday to . . .
- Baz Luhrmann (Director)
- Doug E. Fresh (Rapper)
- Malik Yoba (Actor)
- Mark Brunell (Football Player)
- Dan Haren (Baseball Player)