Vice President of the United States the Twenty-fifth Amendment established a procedure for filling such a vacancy: This procedure has been implemented twice since the amendment came into force. The first instance occurred in 1973 following the October 10 resignation of Spiro Agnew, when Gerald Ford was nominated by President Richard Nixon and confirmed by Congress. The second occurred 10 months later following Ford's August 9, 1974 accession to the presidency upon Nixon's resignation, when Nelson Rockefeller was nominated by President Ford and confirmed by Congress. Had it not been for this new constitutional mechanism, the vice presidency would have remained vacant after Agnew's resignation and
Spiro Agnew staff. Agnew's centrist reputation interested Nixon; the law and order stance he had taken in the wake of civil unrest that year appealed to aides such as Pat Buchanan. Agnew made a number of gaffes during the campaign, but his rhetoric pleased many Republicans, and he may have made the difference in several key states. Nixon and Agnew defeated the Democratic ticket of incumbent Vice President Hubert Humphrey and his running mate, Senator Edmund Muskie from Maine. As vice president, Agnew was often called upon to attack the administration's enemies. In the years of his vice presidency, Agnew moved to