The presidency of Richard Nixon began on January 20, 1969, when he was inaugurated, and ended on August 9, 1974, when he resigned in the face of almost certain impeachment and removal from office, the first U.S. president ever to do so. He was succeeded by Vice President Gerald Ford, who had become vice president nine months earlier, following Spiro Agnew's resignation from office. Wikipedia*
On the C-SPAN Networks:
Nixon Administration has hosted 1 event in the C-SPAN Video Library; the first program was a 1974 Compiled Program.