George Washington was the first President of the United States, serving from 1789 to 1797. He also served as commander-in-chief of the Continental Army, and he has the distinction of being the only President unanimously elected by the Electoral College.
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The second U.S. President, John Adams, served from 1797 to 1801. He was also the first vice president of the United States, and he was the first President to reside in the White House, moving in on November 1, 1800, while the White House was still under construction.
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Thomas Jefferson, the third President (1801-1809), was the principal author of the Declaration of Independence. While President, Jefferson doubled the size of the United States by purchasing the Louisiana Territory from France in 1803.
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James Madison, the fourth President (1809-1817), was nicknamed the "Father of the Constitution." During his presidency, the first formal declaration of war was enacted -- the War of 1812 with Great Britain.
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James Monroe (1817-1825) was the last of the Founding Fathers to be elected President. During his seventh State of the Union address, he outlined a foreign policy that warned European powers against further colonization of or meddling in the Western Hemisphere. This was later known as the Monroe Doctrine.
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John Quincy Adams (1825-1829) was the son of second President John Adams. He was the only President to serve in the House of Representatives after serving as President.
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Andrew Jackson (1829-1837) was the only President to serve in both the American Revolution and the War of 1812. He is also the only President to have been a former prisoner of war: Jackson was 13 when became a courier during the Revolutionary War, and he was later captured by the British.
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Martin Van Buren (1837-1841) was the first President to be born a U.S. citizen. Previous Presidents were born before the United States was a country, making them colonists and, consequently, citizens of Great Britain.
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William Henry Harrison (1841) probably had only just finished unpacking his things at the White House when he died of pneumonia one month into his term. Harrison was the first U.S. President to die while in office, and he had the shortest tenure ever of any commander-in-chief.
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John Tyler's term (1841-1845) saw several presidential firsts. He was the first vice president to succeed office after the President died, he was the first to lose his wife while in office, and he was the first to marry while in office.
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James K. Polk (1845-1849) oversaw the greatest expansion of territory of any President in history. The expansion included what would become the future states of Texas and California. Polk also negotiated with Britain to establish the boundaries of the Oregon Country.
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Zachary Taylor (1849-1850), aka "Old Rough and Ready," was a hero in the Mexican-American War. Mystery surrounds his actual cause of death from a stomach ailment. Did he just eat too many cherries, or was it murder? The 1991 exhumation of his body proved it wasn't arsenic poisoning at least.
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Millard Fillmore (1850-1853) was the last President who was neither a Democrat or a Republican. He helped pass the Compromise of 1850, legislation that included the Fugitive Slave Act and California's admission to the Union as a free state.
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Franklin Pierce (1853-1857) was the first President to not get his party's nomination for re-election. He signed the controversial Kansas-Nebraska Act, which allowed the people there to decide whether to allow slavery. This worsened the tension between the North and South.
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James Buchanan (1857-1861) was the only President who never married. He failed to prevent seven pro-slavery states from seceding during his term.
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Abraham Lincoln (1861-1865), purveyor of tall top hats and log cabins, preserved the Union during the Civil War and freed the slaves through the Emancipation Proclamation. He was assassinated by actor John Wilkes Booth, a Confederate sympathizer.
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Andrew Johnson's (1865-1869) trial by impeachment in the U.S. Senate resulted in his acquittal by a single vote. History gives him a terrible performance review: His plan for post-war Reconstruction failed, and he had little support from Congress or the public.
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Tasked with unifying the country after the Civil War, Ulysses S. Grant (1869-1877) established the Department of Justice to protect the rights of freed slaves. He also authorized the military to fight the Ku Klux Klan and successfully lobbied for the 15th Amendment, granting voting rights to black men.
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Rutherford B. Hayes (1877-1881) promoted women's rights, signing legislation that allowed female lawyers to argue Supreme Court cases. He introduced the White House Easter Egg Roll as a spring tradition and established the first presidential library.
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Just four months into his term, James Garfield (1881) was shot by a disgruntled lawyer who'd aspired to join the administration as a diplomat. The President was taken to the Jersey Shore, where doctors hoped the ocean air would help him recover. He died two weeks later.
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Chester Arthur (1881-1885) signed a bill mandating a merit-based system for hiring public workers. The idea was to curb patronage and politically motivated appointments.
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Grover Cleveland (1885-1889; 1893-1897) was the first and only commander-in-chief to serve two non-consecutive terms. He was also the first bachelor President to be married at the White House.
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Benjamin Harrison (1889-1893) signed into law the Sherman Antitrust Act of 1890, which authorized the government to fine large corporations for price fixing and other corrupt business practices.
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William McKinley (1897-1901) led the country through the Spanish-American War, a three-month conflict that began with the sinking of the USS Maine and ended with Cuban independence. During the beginning of McKinley's second term, he was fatally shot by an anarchist.
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At 42, Theodore Roosevelt (1901-1909) was the youngest man to take the oath of office. A progressive reformer and environmental advocate, Roosevelt brought lawsuits against corporate trusts, taking on business giants to level the playing field for the working class.
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William Howard Taft (1909-1913) also served as the Chief Justice of the U.S. Supreme Court in his post-presidency years. During his re-election bid, he managed to win only eight of 531 electoral votes -- the poorest performance of an incumbent president seeking re-election.
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Woodrow Wilson (1913-1921) was awarded the 1919 Nobel Peace Prize for proposing and creating the League of Nations. But he was never able to convince the United States to join. Although he was first opposed to a federal amendment allowing women to vote, Wilson shifted his position during his second term and the 19th Amendment was ratified in 1920.
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Warren G. Harding's term (1921-1923) was cut short by his sudden death from a cerebral hemorrage. Harding captured 60% of the popular vote in 1920, marking the largest presidential landslide to date.
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Calvin Coolidge (1923-1929) served as vice president until the death of Warren G. Harding. His 1924 campaign slogan was "Keep Cool with Coolidge," and his nickname was "Silent Cal" because of his reputation as a man of few words.
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Herbert Hoover (1929-1933) was inaugurated on the year of the stock market crash that sent the country into the Great Depression. Although Hoover pushed for money to be appropriated for large-scale projects, he opposed federal relief payments directly to individuals. The national economy never recovered during his term, and the shantytowns that developed were nicknamed "Hoovervilles."
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Franklin D. Roosevelt (1933-1945) was the only President elected to the office four times. During his 12 years as President, he championed numerous social programs and measures, including the creation of the Tennessee Valley Authority, the Civilian Conservation Corps and Social Security. Roosevelt contracted polio at age 39 and never recovered the use of his legs.
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Harry S. Truman (1945-1953) served as vice president for 82 days before the unexpected death of Roosevelt. He authorized the use of two atomic bombs on the Japanese cities of Hiroshima and Nagasaki.
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Dwight D. Eisenhower (1953-1961) had been supreme commander of the European Allied forces during World War II, and he ordered the Normandy invasion on D-Day. His popular presidential campaign slogan was "I like Ike!"
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John F. Kennedy (1961-1963) was the first Roman Catholic President. He was assassinated in his first term, which was marked by the signing of the Nuclear Test-Ban Treaty, the creation of the Peace Corps, the disastrous Bay of Pigs invasion, and the beginning of military involvement in Vietnam.
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Lyndon B. Johnson (1963-1969) was vice president under John F. Kennedy and took the oath of office on a plane after Kennedy was assassinated. In 1964, Johnson signed the Civil Rights Act, the landmark legislation that banned segregation and discrimination based on race and gender. The law was a cornerstone of Johnson's vision of a "Great Society" that also included a "war on poverty."
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Richard Nixon (1969-1974) became the first President to resign from office as he faced impeachment for his involvement in the Watergate scandal. Nixon made strides in domestic policy, proposing legislation that resulted in the Occupational Safety and Health Administration and the Environmental Protection Agency. Abroad, he established relations with China and a détente in Soviet relations.
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Gerald Ford (1974-1977) had been appointed vice president by Nixon after Spiro Agnew was forced to resign. He then became President when Nixon himself resigned. Remembered mainly for his pardon of Nixon and his physical clumsiness, Ford was not elected to a second term.
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Jimmy Carter (1977-1981) brokered the 1978 Camp David Accords, the agreement that led to a peace treaty between Israel and Egypt. At home, Carter's presidency was plagued by inflation and unemployment, and he lost his bid for a second term amid the hostage crisis in Iran.
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Ronald Reagan (1981-1989) was the only actor ever elected President, and his talent as a speaker earned him the moniker "the great communicator." An affable Republican who wooed many Roosevelt Democrats, the staunchly anti-communist Reagan is seen as having played a large part in the collapse of the Soviet Union.
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George H.W. Bush (1989-1993) was a former CIA director and served two terms as vice president under Ronald Reagan. His approval rating at home soared after he led an international coalition to oust Iraq from Kuwait, and communism in Eastern Europe fell on his watch. But he lost his bid for re-election amid a sluggish economy and after reneging on a promise not to raise taxes.
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Bill Clinton (1993-2001) ran on the slogan, "It's the economy, stupid." Plagued by various scandals -- including accusations of sexual impropriety -- he was the second president to be impeached. He was acquitted in 1999.
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George W. Bush (2001-2009) is the son of former President George H.W. Bush. His presidency was largely defined by his response to the 9/11 terrorist attacks. In 2003, he ordered the invasion of Iraq on suspicion that Saddam Hussein had weapons of mass destruction.
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Barack Obama (2009-2017) became the first African-American to hold the office of President. He took the oath of office amid the Great Recession, the biggest economic challenge since the Great Depression. Under the Affordable Healthcare Act, millions of uninsured Americans have gotten health insurance.
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Real estate mogul and reality television star Donald Trump was sworn into office in 2017. His slogan "Make America Great Again," became the central theme of his campaign.
1885 - February 22 is designated as a federal holiday to honor Washington’s birthday.
1968 - Congress passes the Monday Holidays Act. Existing federal holidays will now be observed on Mondays, to give government workers three day weekends. After much debate, Congress rejects combining Washington’s and Lincoln’s into one Monday called “Presidents’ Day.” The bill goes into effect in 1971.
February 18, 2000 - President Bill Clinton mistakenly refers to the official federal holiday “Washington’s Birthday” as “Presidents’ Day” in a proclamation.
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Donald Trump is sworn in as the 45th president of the United States by Chief Justice John Roberts. Trump is joined by his wife, Melania, and his five children: from right, Tiffany, Eric, Ivanka, Donald Jr. and Barron. See a panoramic Gigapixel from his inauguration
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Barack Obama takes the oath of office in 2009. His wife, Michelle, is holding the Bible, and they are joined by their daughters, Malia and Sasha. An estimated 1.5 million people attended the inauguration as Obama became the nation's first African-American president.
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George W. Bush takes the oath of office from Supreme Court Chief Justice William Rehnquist in 2001. Standing with Bush, from left, are daughter Jenna, wife Laura and daughter Barbara. Bush, the eldest son of former President George H.W. Bush, served two terms.
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Bill Clinton addresses the crowd at the US Capitol after being inaugurated in 1993. He was re-elected in 1996.
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President George H.W. Bush, left, shakes the hand of his son George W. Bush after being sworn in to office in 1989. The elder Bush had been vice president under President Ronald Reagan, whose two terms were up.
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President Ronald Reagan delivers his inaugural address at the US Capitol in 1981. As the ceremony was being held, Iran was releasing 52 American hostages.
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Jimmy Carter is joined by his wife, Rosalynn, as he takes the oath of office in 1977. He was the first president to walk from the Capitol to the White House in the post-inauguration parade.
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Gerald Ford takes the oath in 1974 next to his wife, Betty. He became president in August of that year after Richard Nixon resigned because of the Watergate scandal.
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Richard Nixon delivers his inaugural address in 1969. He was re-elected in 1972 but resigned two years after that.
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Lyndon B. Johnson takes the oath of office aboard Air Force One after the assassination of John F. Kennedy in November 1963. Standing on the right is Kennedy's widow, Jackie.
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John F. Kennedy is sworn in by Chief Justice Earl Warren in 1961. Kennedy, at 43, was the youngest ever to be elected president. This was the first inauguration ceremony to be televised in color.
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A crowd watches the inauguration ceremony of Dwight D. Eisenhower in 1953. Eisenhower, who served two terms, recited his own prayer after taking the oath of office.
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Harry S. Truman holds the Bible as he takes the oath of office in 1945. Standing beside him are his wife, Bess, and his daughter, Margaret. Truman was the vice president under Franklin D. Roosevelt, who died in office. Truman won re-election in 1948.
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Franklin D. Roosevelt is sworn in for his first term in 1933. He won four presidential elections and served in office until his death in 1945. The 22nd Amendment, ratified in 1951, ensured that he would be the last US president to serve more than two terms.
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People attend the inauguration of Herbert Hoover in 1929. Later that year, a stock market crash led to the Great Depression.
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Calvin Coolidge takes the oath of office in Plymouth, Vermont, in August 1923. President Warren G. Harding had just died, and Coolidge was vice president. Coolidge's father, John, administered the oath. He was a notary public.
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President Warren G. Harding waves to the crowd from the US Capitol's east portico in 1921. It was the first inauguration where an automobile was used to transport the president-elect to the Capitol.
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Woodrow Wilson gives his inaugural speech in 1913. Wilson broke with tradition and did not host any inaugural balls.
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William Howard Taft stands on the inaugural platform after taking the oath of office in 1909. His inauguration was held indoors because of a blizzard the day before.
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Theodore Roosevelt takes the oath of office in 1901. He was vice president to William McKinley, who died in office. Roosevelt, a distant cousin of future President Franklin D. Roosevelt, was the youngest president in history at 42 years of age. He was re-elected in 1904.
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William McKinley delivers his inaugural address in 1897. His inauguration was the first to be recorded on a movie camera. He died in office shortly after being re-elected in 1900.
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This engraved illustration of Benjamin Harrison's inauguration appeared on the cover of Harper's Weekly in 1889. It was raining during the ceremony.
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Grover Cleveland was the only president to serve two non-consecutive terms. He was inaugurated in 1885 (seen here) and 1893.
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Chester A. Arthur became the nation's 21st president after the death of James A. Garfield. There have been eight times in US history when a vice president has assumed the presidency because the president died in office.
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President James A. Garfield views the inauguration ceremonies in 1881. He was the first to watch the parade from a stand built in front of White House.
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Chief Justice Morrison R. Waite administers the oath of office to Rutherford B. Hayes. The usual inauguration day back then, March 4, fell on a Sunday in 1877. So the public ceremony was held on a Monday.
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Ulysses S. Grant takes the oath of office in front of a large crowd in 1869. Grant, the former Army general who helped the Union win the Civil War, served two terms.
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After the assassination of President Abraham Lincoln, Vice President Andrew Johnson assumed the presidency in a Washington hotel in 1865.
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Abraham Lincoln gives his inaugural address in 1861. The nation was on the brink of the Civil War, so Lincoln was heavily protected during his procession to the Capitol.
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The 1857 inauguration of James Buchanan was the first inauguration ceremony known to be photographed.
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Military units precede Franklin Pierce's carriage down Pennsylvania Avenue during his inauguration day parade in 1853. Pierce broke the tradition of kissing the Bible during the swearing-in ceremony. He placed his left hand on it instead.
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Millard Fillmore, seen here, became president after Zachary Taylor's death in 1850.
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Zachary Taylor delivers his inaugural speech on the steps of the Capitol in 1849.
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People gather for the inauguration of James K. Polk in 1845. It was the first inauguration ceremony to be reported by telegraph and shown in a newspaper illustration.
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John Tyler, seen here, took the oath of office after the 1841 death of William Henry Harrison. Harrison died after just 32 days in office.
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This lithograph shows the inauguration of William Henry Harrison in 1841. Harrison delivered the longest inaugural address in history (about 8,500 words). He caught a cold and died from pneumonia a month later.
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Martin Van Buren was inaugurated in 1837. For the first time in history, the president-elect and the outgoing president rode to the inauguration together.
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Andrew Jackson was inaugurated at the US Capitol in 1829. He was re-elected in 1833.
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John Quincy Adams, son of former President John Adams, was inaugurated in 1825. He is one of only three presidents who did not use a Bible at his inauguration. He opted for a volume of law. Theodore Roosevelt used no Bible or book at his first inauguration in 1901. Lyndon B. Johnson used John F. Kennedy's Roman Catholic Missal during his hastily arranged swearing-in aboard Air Force One.
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James Monroe's inauguration in 1817 was the first time that the swearing-in ceremony was held outside. The Capitol building was still under repair from its damage in the War of 1812.
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James Madison, the fourth US president, was inaugurated in 1809 and was the first to hold an inaugural ball to celebrate.
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Thomas Jefferson arrives on horseback for his inauguration in 1801. It was the first one held at the US Capitol.
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John Adams, the second US president, took the oath of office at the House Chamber Congress Hall in Philadelphia.
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George Washington delivers his inaugural address at New York's Federal Hall in April 1789. It was 13 years after the Declaration of Independence and more than a year and a half after the Constitution was ratified.