Watch HDToday. The second inauguration of Richard Nixon as president of the United States was held on Saturday, January 20, 1973, at the East Portico of the United States Capitol in Washington, D.C. This was the 47th inauguration and marked the commencement of the second and final term of both Richard Nixon as president and Spiro Agnew as vice president. Both Agnew and Nixon resigned within two years of this term.