January 27 - Formal peace accords are signed in Paris by North Vietnam, South Vietnam, the U.S. and the National Liberation Front.
February 7 - The Senate establishes a Select Committee on Presidential Campaign Activities.
February 27 - Members of the American Indian Movement take over Wounded Knee, South Dakota as a protest to poor treatment of Native Americans.
March 8 - The Eisenhower Tunnel, the highest in the world and the longest in the U.S., is opened through the continental divide.
March 29 - The last American ground troops leave Vietnam.
April 13 - The first U.S. runner to run the mile in under four minutes is Jim Ryun in Detroit, Michigan.
April 20 - L. Patrick Gray, acting director of the FBI, resigns after admitting he destroyed evidence connected to Watergate.
May 11 - Charges against Daniel Ellsberg and Anthony Russo are dropped for their theft and release of the Pentagon Papers.
June 25 - John Dean III, former Presidential Counsel, accuses President Nixon of involvement in the Watergate cover-up.
July 16 - Alexander Butterfield testifies that President Nixon secretly recorded all Oval Office conversations.
October 10 - Vice President Spiro Agnew resigns from office after pleading no contest to charges of tax evasion.
October 16 - Henry Kissinger receives the Nobel Peace Prize for negotiating the Paris Peace Accord between the U.S. and Vietnam.
October 23 - Congressional leaders agree that the House Judiciary Committee should begin investigations into impeachment charges against President Nixon.
November 9 - Six of the Watergate defendants are sentenced for their roles in the Democratic headquarters break-in.
November 13 - Representatives of two oil companies plead guilty to making illegal contributions to the Nixon campaign.
November 19 - The first female Register of Copyright is B. A. Ringer.
November 21 - Joanne Neely and Jacqueline P. Balley become the first female U.S. Marshals.
November 23 - The first U.S. Representative to give birth while in office is Yvonne Braithwaite Burke.
December 6 - Gerald Ford is sworn in as Vice President to replace Spiro Agnew who resigned from office on October 10th.
