President of the United States first ballot. Pursuant to the Twentieth Amendment, the four-year term of office for both the president and vice president begins at noon on January 20. The first presidential and vice presidential terms to begin on this date, known as Inauguration Day, were the second terms of President Franklin D. Roosevelt and Vice President John Nance Garner in 1937. Previously, Inauguration Day was on March 4. As a result of the date change, the first term (1933–37) of both men had been shortened by days. Before executing the powers of the office, a president is required to recite the presidential oath
President pro tempore of the Oklahoma Senate 16, 1907, the same day Oklahoma was admitted U.S. state. He served a single term and was replaced by J. C. Graham in 1909. For its first 60 years, no one person ever held the office for more than one term consecutively. Tom Anglin of Holdenville, Oklahoma, was the first to hold the office a second time, serving from 1923 to 1925 and again from 1943 to 1945. Clem McSpadden was the first president pro tempore to serve two consecutive terms, from 1965 to 1969. From 1965 to 2006, ten state senators have been selected to serve as president pro