The Chappaquiddick incident occurred during the presidency of Richard Nixon. It involved Edward M. Kennedy and Mary Jo Kopechne, who died when Senator Kennedy drove his car off a cliff. After a party on Chappaquiddick Island, Kennedy and Kopechne began heading toward Edgartown. Kennedy took a wrong turn on the Dike Bridge, which had no guardrails, and the car plunged into the sea. Kennedy escaped but Kopechne died. Kennedy pleaded guilty when Kopechne's body was found in his overturned car and was sentenced to two months in prison. The Iran Contra affair began on August 20, 1985 and ended on March 4, 1987. This affair concerned the sale of arms to the Contras in Iran. This happened during the Reagan administration and almost crippled President Reagan's presidency. The scandal began as an operation to free seven American hostages in Lebanon, but became an international scandal. Although Reagan was a supporter of the Contra cause, there is evidence that shows he may not have been aware of the sales. Reagan appeared on national television and said that arms sales h...