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Police work near the car

Spectators look on as police work near the car driven by Sen. Edward Kennedy of Massachusetts which plunged off a bridge in an island pond on July 19, 1969, Chappaquiddick Island near Edgartown, Martha’s Vineyard, Mass. Senator Kennedy escaped from the overturned car but was unable to rescue his companion, Miss Mary Jo Kopechne, 29, of Washington, D.C., who was killed in the crash. Miss Kopechne had worked as a secretary for the late Sen. Robert Kennedy. (Photo: Bettmann/Getty Images)

Chappaquiddick: A tragedy that changed the course of American history

In the summer of 1969, Sen. Edward “Ted”. Kennedy left a party on Chappaquiddick island neat Martha's Vineyard, Mass., with Mary Jo Kopechne. Later that night Kennedy's car plunged off the narrow wooden Dike Bridge into a pond. Kennedy was able to escape, but Kopechne drowned. Here’s a look back at that tragic day and its aftermath.

Here’s a look back at that tragic day and its aftermath.

See FULL STORY by Christopher Wilson/Yahoo News

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