On this day for the United States
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Events
- 1787 – In Philadelphia, Pennsylvania, delegates begin to meet to write a new Constitution for the United States.
- 1804 – The Lewis and Clark Expedition departs from Camp Dubois and begin their historic journey by traveling up the Missouri River.
- 1863 – American Civil War: Battle of Jackson (MS).
- 1913 – New York Governor William Sulzer approves the charter for the Rockefeller Foundation, which begins operations with a $100 million donation from John D. Rockefeller.
- 1927 – University of Chicago's local collegiate organization, Phi Sigma, becomes incorporated under the laws of the State of Illinois as Eta Sigma Phi, the National Honorary Classical Fraternity.
- 1961 – American civil rights movement: Freedom Riders bus is fire–bombed near Anniston, Alabama, and the civil rights protestors are beaten by an angry mob.
- 1970 – Mississippi state police kill two black students at Jackson State University.
- 1973 – Human Space Flight: Skylab, the United States' first space station, is launched. It is the last launch of the Saturn V rocket.
- 1988 – Carrollton bus collision: A drunk driver going the wrong way on Interstate 71 near Carrollton, Kentucky, USA hits a converted school bus carrying a church youth group. The crash and ensuing fire kill 27.
- 2005 – The former USS America (CV-66), a decommissioned supercarrier of the United States Navy, is deliberately sunk in the Atlantic Ocean after four weeks of live–fire exercises. She is the largest ship ever to be disposed of as a target in a military exercise.