The oath of office of the president of the United States is the oath or affirmation that the president of the United States takes upon assuming office. The wording of the oath is specified in Article II, Section One, Clause 8, of the United States Constitution, and a new president must take it before exercising or carrying out any official powers or duties.
Between 73 and 79 days after the presidential election, the president-elect of the United States is inaugurated as president by taking the presidential oath of office. The inauguration takes place for each new presidential term, even if the president is continuing in office for a second term.
The inauguration of William Henry Harrison as the ninth president of the United States was held on Thursday, March 4, 1841, at the East Portico of the United States Capitol in Washington, D.C. This was the 14th inauguration and marked the commencement of the only four-year term of both William Henry Harrison as president and John Tyler as vice president. The presidential oath of office was administered to Harrison by Chief Justice Roger B. Taney. Harrison died 31 days into his term, the first U.S. president to die in office and has the shortest presidential term in American history. Tyler then succeeded to the presidency, creating a precedent which would be followed seven more times before it was officially regulated through the Twenty-fifth Amendment in 1967.
The first inauguration of George W. Bush as the 43rd president of the United States took place on Saturday, January 20, 2001, at the West Front of the United States Capitol in Washington, D.C. This was the 54th inauguration and marked the commencement of the first term of George W. Bush as president and Dick Cheney as vice president. Chief Justice William Rehnquist administered the presidential oath of office at 12:01 p.m., after he administered the vice presidential oath of office as well. An estimated 300,000 people attended the swearing-in ceremony. This was the first presidential inauguration to take place in the 21st century, and the first in the 3rd millennium.
The inauguration of George H. W. Bush as the 41st president of the United States was held on Friday, January 20, 1989, at the West Front of the United States Capitol in Washington, D.C. This was the 51st inauguration and marked the commencement of the only term of both George H. W. Bush as president and Dan Quayle as vice president. Chief Justice William Rehnquist administered the presidential oath of office to Bush and Justice Sandra Day O'Connor administered the vice presidential oath of office to Quayle. Bush was the first sitting vice president to be inaugurated as president since Martin Van Buren in 1837 and the last World War II combat veteran. Bush composed his own prayer for the ceremony which he recited at the start of his inaugural address; the last president to do so was Dwight D. Eisenhower at his first inauguration in 1953.
The second inauguration of Ronald Reagan as president of the United States was held in a televised ceremony on January 20, 1985, at the White House, and was repeated the following day, January 21, 1985, at the Capitol's rotunda. This was the 50th presidential inauguration and marked the commencement of the second and final four-year term of both Ronald Reagan as president and of George H. W. Bush as vice president. At 73 years, 349 days of age on Inauguration Day, Reagan was the oldest U.S. president to be inaugurated, until Joe Biden's inauguration as president on January 20, 2021, at the age of 78 years, 61 days.
The first inauguration of Richard Nixon as the 37th president of the United States was held on Monday, January 20, 1969, at the East Portico of the United States Capitol in Washington, D.C. This was the 46th inauguration and marked the commencement of the first and eventually only full term of both Richard Nixon as president and Spiro Agnew as vice president. Chief Justice Earl Warren administered the presidential oath of office to Nixon, and Senate Minority Leader Everett Dirksen administered the vice presidential oath to Agnew. Nixon had narrowly defeated Hubert Humphrey, the incumbent vice president, in the presidential election. Nixon became the first non-incumbent vice president to be inaugurated as president, something that would not happen again until Joe Biden in 2021. This was also the last presidential oath administered by Chief Justice Warren.
The second inauguration of Lyndon B. Johnson as president of the United States was held on Wednesday, January 20, 1965, at the East Portico of the United States Capitol in Washington, D.C. This was the 45th inauguration and marked the second and only full term of Lyndon B. Johnson as president and the only term of Hubert Humphrey as vice president. Chief Justice Earl Warren administered the oath of office. Lady Bird Johnson founded the tradition of incoming first ladies participating in the ceremony by holding the sworn-in president's Bible. Vice President Humphrey was sworn in by John W. McCormack, the speaker of the House of Representatives. This was the first inauguration when the president rode in a bulletproof limousine.
The second inauguration of Dwight D. Eisenhower as president of the United States was held privately on Sunday, January 20, 1957, at the White House and publicly on the following day, Monday, January 21, 1957, at the East Portico of the United States Capitol; both located in Washington, D.C. This was the 43rd inauguration and marked the commencement of the second and final four-year term of both Dwight D. Eisenhower as president and Richard Nixon as vice president. Chief Justice Earl Warren administered the presidential oath of office after the Senate Minority Leader William Knowland swore in the vice president.
The second inauguration of Harry S. Truman as president of the United States was held on Thursday, January 20, 1949, at the East Portico of the United States Capitol in Washington, D.C. This was the 41st inauguration and marked the commencement of the second and only full term of Harry S. Truman as president as well as the only term of Alben W. Barkley as vice president. Chief Justice Fred M. Vinson administered the presidential oath of office while Justice Stanley Forman Reed administered the vice-presidential oath of office.
The fourth inauguration of Franklin D. Roosevelt as president of the United States was held on Saturday, January 20, 1945. This was the 40th inauguration and marked the commencement of the fourth and final term of Franklin D. Roosevelt as president and the only term of Harry S. Truman as vice president. This is the only time a president was inaugurated for a fourth term; after the Twenty-second Amendment to the United States Constitution was ratified in 1951, no person can be elected president more than twice. Roosevelt died 82 days into this term, and Truman succeeded to the presidency.
The second inauguration of James Madison as president of the United States was held on Thursday, March 4, 1813, at the United States Capitol in Washington, D.C. The inauguration marked the commencement of the second four-year term of James Madison as president and the only term of Elbridge Gerry as vice president. The presidential oath was administered by Chief Justice John Marshall. Gerry died 1 year, 264 days into this term, and the office remained vacant for the balance of it.
The first inauguration of William McKinley as the 25th president of the United States took place on Thursday, March 4, 1897, in front of the Old Senate Chamber at the United States Capitol, Washington, D.C. This was the 28th inauguration and marked the commencement of the first, and eventually only full term of William McKinley as president and the only term of Garret Hobart as vice president. Chief Justice Melville Fuller administered the presidential oath of office. This was the first inauguration to be recorded on film, and was the last presidential inauguration to take place in the 19th century. Hobart died 2 years, 262 days into this term, and the office remained vacant since there was no constitutional provision which allow an intra-term vice-presidential office filling; it would be regulated by the Twenty-fifth Amendment in 1967.
The second inauguration of William McKinley as president of the United States was held on Monday, March 4, 1901, at the East Portico of the United States Capitol in Washington, D.C. This was the 29th inauguration and marked the commencement of the second and final term of William McKinley as president and the only term of Theodore Roosevelt as vice president. McKinley was assassinated 194 days into this term, and Roosevelt succeeded to the presidency.
The inauguration of Zachary Taylor as the 12th president of the United States was held on Monday, March 5, 1849, at the East Portico of the United States Capitol in Washington, D.C., and was the second instance of an inauguration being rescheduled due to March 4 falling on a Sunday, the Christian sabbath. This was the 16th regular inauguration and marked the commencement of the only four-year term of both Zachary Taylor as president and Millard Fillmore as vice president. Taylor died 1 year, 126 days into this term, and Fillmore succeeded to the presidency. The presidential oath of office was administered by Chief Justice Roger B. Taney. Inauguration Day started off being cloudy with snow flurries, but turned to heavy snow during the inaugural balls.
The inauguration of Franklin Pierce as the 14th president of the United States was held on Friday, March 4, 1853, at the East Portico of the United States Capitol in Washington, D.C. This was the 17th inauguration and marked the commencement of the only four-year term of both Franklin Pierce as president and William R. King as vice president. Chief Justice Roger B. Taney administered the presidential oath of office. Pierce affirmed the oath of office rather than swear it, and was also the first president to recite his inaugural address from memory.
The second inauguration of Ulysses S. Grant as president of the United States was held on Tuesday, March 4, 1873, at the East Portico of the United States Capitol in Washington, D.C. This was the 22nd inauguration and marked the commencement of the second and final four-year term of Ulysses S. Grant as president and the only term of Henry Wilson as vice president. Chief Justice Salmon P. Chase administered the presidential oath of office. This was one of the coldest inaugurations in U.S. history with 16 °F (−9 °C) at noon, and the inaugural ball ended early when the food froze. Vice President Wilson died 2 years, 263 days into this term, and the office remained vacant since there was no constitutional provision to fill an intra-term vice-presidential vacancy until the Twenty-fifth Amendment in 1967.
The inauguration of Warren G. Harding as the 29th president of the United States was held on Friday, March 4, 1921, at the East Portico of the United States Capitol in Washington, D.C. This was the 34th inauguration and marked the commencement of Warren G. Harding's only term as president and of Calvin Coolidge's only term as vice president. Harding died 2 years, 151 days into this term, and Coolidge succeeded to the presidency.
The second inauguration of Calvin Coolidge as president of the United States, was held on Wednesday, March 4, 1925, at the East Portico of the United States Capitol in Washington, D.C. This was the 35th presidential inauguration and marked the commencement of the second and only full term of Calvin Coolidge as president and the only term of Charles G. Dawes as vice president. Chief Justice William Howard Taft, who had served as president from 1909 to 1913, administered the oath of office. This was the first inauguration on which a former U.S. president administered the Oath and the first to be broadcast nationally on radio.
The inauguration of Herbert Hoover as the 31st president of the United States was held on Monday, March 4, 1929, at the East Portico of the United States Capitol in Washington, D.C. This was the 36th inauguration and marked the commencement of the only term of both Herbert Hoover as president and Charles Curtis as vice president. Chief Justice and former President William Howard Taft administered the presidential oath of office to Hoover. This was the first presidential inauguration to be recorded by sound newsreels. Following the second inauguration of Calvin Coolidge, overseen by Taft exactly four years earlier, it was also the second time that a former president administered the oath of office to a new president.
