On this day: The U.S. Constitution is signed in Philadelphia (1787)
The Soviet Union joins Nazi Germany's invasion of Poland (1939)
After weeks of strikes at the Lenin Shipyard in Gdańsk, Poland, the nationwide independent trade union Solidarity is established (1980)
Former Nicaraguan President Anastasio Somoza Debayle is killed in Asunción, Paraguay (1980)
Last Russian troops leave Poland (1993)
b: Chuck Grassley (1933), David Souter (1939); d: Karl Popper (1994), Spiro Agnew (1996), Patricia Kennedy Lawford (2006)
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