The 1980 October Surprise theory refers to the claim that members of Ronald Reagan's presidential campaign covertly negotiated with Iranian leaders to undermine incumbent President Jimmy Carter by delaying the release of 66 American hostages detained in Iran. The hostage situation, which began when Iranian revolutionaries seized the U.S. embassy in Tehran, was one of the biggest news stories of 1980, and Carter's inability to resolve it is widely believed to have contributed to his loss.
Between seventy-three and seventy-nine 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 another term.
The first inauguration of Barack Obama as the 44th president of the United States took place on Tuesday, January 20, 2009, at the West Front of the United States Capitol in Washington, D.C. The 56th inauguration, which set a record attendance for any event held in the city, marked the commencement of the first term of Barack Obama as president and Joe Biden as vice president. Based on combined attendance numbers, television viewership, and Internet traffic, it was the most viewed inauguration since that of Ronald Reagan in 1981.
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 Bill Clinton as the 42nd president of the United States was held on Wednesday, January 20, 1993, at the West Front of the United States Capitol in Washington, D.C. This was the 52nd inauguration and marked the commencement of the first term of Bill Clinton as president and Al Gore as vice president. At 46 years, 154 days of age at the time of his first inauguration, Clinton was the third-youngest person to become president, and the first from the Baby Boomer generation.
The second inauguration of George W. Bush as president of the United States took place on Thursday, January 20, 2005, at the West Front of the United States Capitol in Washington, D.C. This was the 55th inauguration and marked the beginning of the second and final term of George W. Bush as president and Dick Cheney as vice president. The ailing Chief Justice William Rehnquist administered the presidential oath of office for the last time before his death on September 3 that year. Attendance at the inauguration has been reported as being around 100,000, 300,000, or 400,000. Weather conditions for 12 noon at Washington National Airport, located 3.1 miles from the ceremony, were: 35 °F, wind 14 mph, and cloudy.
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 second inauguration of Bill Clinton as president of the United States was held on Monday, January 20, 1997, at the West Front of the United States Capitol Building in Washington, D.C. This was the 53rd inauguration and marked the commencement of the second and final term of Bill Clinton as president and Al Gore as vice president. This was the last presidential inauguration to take place in the 20th century, the last in the 2nd millennium, and the first to be streamed live on the internet.
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 the 50th inauguration, marking the commencement of his second and final four-year term as president and of George H. W. Bush as vice president. A private swearing-in ceremony took place on Sunday, January 20, 1985, at the White House, followed by a public inauguration ceremony on Monday, January 21, 1985, at the Capitol's rotunda. 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 in 2021, at the age of 78 years, 61 days.
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. In December 1973, Gerald Ford replaced Agnew as vice president and in the following year, replaced Nixon as president. This made Nixon the first and, as of 2025, only person to be inaugurated four times as both president and vice president. Chief Justice Warren E. Burger administered both the presidential and vice presidential oaths of office. During the ceremony, Look With Pride On Our Flag, a song dedicated to President Nixon and composed by Hank Fort, was played.
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 first inauguration of Dwight D. Eisenhower as the 34th president of the United States was held on Tuesday, January 20, 1953, at the East Portico of the United States Capitol in Washington, D.C. This was the 42nd inauguration and marked the commencement of the first term of Dwight D. Eisenhower as president and of Richard Nixon as vice president. Chief Justice Fred M. Vinson administered the presidential oath of office to Eisenhower. During the oath, Eisenhower said the line "the office of President of the United States" as "the office of the President of the United States," even as chief justice Vinson said the line correctly. The vice presidential oath was administered to Nixon by Senator William Knowland.
The fourth and final 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 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 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 second inauguration of Barack Obama as president of the United States was the 57th inauguration, marking the commencement of his second and final term, with Joe Biden as vice president. This is the most recent presidential inauguration where the incumbent president was sworn in for a consecutive second term after winning reelection. A private swearing-in ceremony took place on Sunday, January 20, 2013, in the Blue Room of the White House, followed by a public inauguration ceremony on Monday, January 21, 2013, at the West Front of the United States Capitol in Washington, D.C.
This is a timeline of the Iran hostage crisis (1979–1981), starting from the Shah Mohammed Reza Pahlavi's leaving of Iran and ending at the return of all hostages to the United States.
The inauguration of Joe Biden as the 46th president of the United States took place on Wednesday, January 20, 2021, on the West Front of the United States Capitol in Washington, D.C. It was the 59th inauguration and marked the commencement of Joe Biden's only term as president and Kamala Harris' only term as vice president. Biden took the presidential oath of office, before which Harris took the vice presidential oath of office.
The presidential transition of Ronald Reagan began when he won the 1980 United States presidential election, becoming the president-elect, and ended when Reagan was inaugurated on January 20, 1981.
