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From George Washington's inauguration in 1789 to Joe Biden's in 2020, a total of 46 men served as president of the United States.
Here, a look at each of them.
George Washington (1789-1797)
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George Washington was the first president of the United States (1789-1797).
He was also the commander-in-chief of the Continental Army and has the distinction of being the only president to be unanimously elected by the Electoral College.
Washington died on December 14, 1799 from a throat infection.
Read more: Who was and what did George Washington do as US President?
John Adams (1797-1801)
John Adams was the second president of the United States after serving as the country's first vice president under George Washington.
Adams was the first president to live in the White House, moving there on November 1, 1800, while it was still under construction.
Thomas Jefferson (1801–1809)
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He was the third president of the United States, the principal author of that country's Declaration of Independence in 1776, and one of the founding fathers, according to his biography on the White House website.
It adds that Jefferson had "growing concerns" about keeping his country out of the Napoleonic wars, even though the wars in England and France interfered with the neutral rights of American merchants.
He died on July 4, 1826.
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James Madison (1809-1817)
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The fourth president of the United States, another of the founding fathers of the country and father of the Constitution, "made a great contribution to the ratification of the Constitution by writing the Federalist Papers", a collection of 85 essays in defense of the Magna Carta , according to the White House on its website.
James Monroe (1817-1825)
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The fifth president of the United States was the last of the founding fathers of the country, according to the White House on its website.
Monroe was the originator of what is now known as the 'Monroe Doctrine', when in his message to Congress in 1823 he warned the European powers not to meddle in the affairs of the Western Hemisphere.
John Quincy Adams (1825-1829)
The sixth president of the United States was a member of various political parties and served as his country's diplomat, senator and member of the House of Representatives before rising to his country's highest office in 1825, according to the White House.
Andrew Jackson (1829-1837)
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He was the seventh president of the United States.
During his tenure, "he sought to act as the direct representative of ordinary people," says his official White House biography.
In his first annual message to Congress, Jackson recommended the elimination of the Electoral College.
Martin Van Buren (1837-1841)
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Van Buren was Vice President under President Andrew Jackson (1829-1837) and became the eighth President of the United States.
The "Little Wizard," as he was also known, also served as Secretary of State during Jackson's presidency.
Before he came to power, the country was experiencing a period of economic prosperity, but three months into his term "the financial panic of 1837 punctured the prosperity," says the White House.
William Henry Harrison (1841)
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He was the ninth president of the United States.
According to the White House, Harrison was the oldest president to take office at the time (he was 68) and the first to die in office.
His presidency lasted only 32 days, making it the shortest presidency in US history.
He died of a cold that turned into pneumonia and died on April 4, 1841.
John Tyler (1841-1845)
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He became the tenth president of the United States after the death of President William Henry Harrison in 1841. He was the first vice president in history to assume the presidency after the death of a sitting president.
James K. Polk (1845-1849)
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Polk was sworn in as the 11th president of the United States in 1845. He was the last strong president of the era before the Civil War broke out in 1861, according to the White House.
In 1845, Polk offered $20,000,000 to Mexico to recapture New Mexico and California, but the Mexicans were unwilling to cede those lands.
For that reason, the United States declared war on Mexico and occupied Mexico City.
Finally, in 1848, Mexico ceded the two disputed states in exchange for $15,000,000, according to the presidency.
Zachary Taylor (1849-1850)
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He served as the 12th president of the United States for 16 months until his death in 1850. According to the White House, Taylor was a national Army hero during the American-Mexican War in 1812. He served 40 years in the military, something that he made “a strong nationalist”, according to the website of the presidency.
Millard Fillmore (1850-1853)
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He was the 13th president of the United States and the last president not to belong to either of the two traditional parties —Republican and Democrat— in the United States, according to the White House.
Franklin Pierce (1853-1857)
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He was the 14th president of the United States and the first American president to be born in the 19th century.
Two months before taking office, his 11-year-old son died in a train accident.
For this reason, "Pierce entered the presidency nervously exhausted," the White House reported on its website.
James Buchanan (1857-1861)
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He was the 15th president of the United States and the last president before the Civil War broke out.
He is the only president in history from the state of Pennsylvania and the only one to remain single throughout his life.
Abraham Lincoln (1861-1865)
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He was the 16th president of the United States and the first to be assassinated in the country's history.
He led the nation during the Civil War that took place during his rule.
Through the Emancipation Proclamation in 1863, he freed all slaves in the Confederacy.
On April 14, 1865, he was assassinated at Ford's Theater in Washington by the actor John Wilkes Booth, who believed that the president was helping the southern states, which during the war faced the states of the Union or the north.
Andrew Johnson (1865-1869)
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He assumed power as the 17th president of the United States after the assassination of President Abraham Lincoln in 1865. Johnson was Lincoln's vice president at the time.
After the Civil War, Johnson took it upon himself to rebuild the old confederation of states that had been affected by the war, but the Republican majority in Congress opposed this initiative and he was impeached.
Ulysses S. Grant (1869-1877)
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Grant was the 18th president of the United States.
During his administration, he worked to eliminate the vestiges of slavery, according to the White House on its website.
After retiring from the presidency, Grant became a partner in a financial company that went bankrupt.
Shortly after he found out that he suffered from throat cancer so he began to write his memoirs to pay off his debts and leave money for his family.
"Just after finishing the last page of his memoirs in 1885, he died," the White House reports.
Rutherford B Hayes (1877-1881)
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He was the 19th president of the United States.
In his tenure, Hayes tried to reconcile the divisions remaining from the Civil War (1861-1865) and during his administration "began efforts that resulted in civil service reform," according to the White House.
During his presidency and "to the delight of the Women's Christian Temperance Union," the president's wife, Lucy Webb Hayes, carried out her husband's orders to "ban wines and spirits from the White House," according to the website of the presidency.
James Garfield (1881)
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He was the twentieth president of the United States.
His tenure only lasted 200 days, because in July of that year a lawyer who wanted to fill a diplomatic position in his administration shot him when he was at the Washington train station.
He died months later, on September 19, 1881.
His presidency is the second shortest in US history after that of William Henry Harrison (which lasted 32 days).
He was the second president in US history to be assassinated after Abraham Lincoln.
Chester A. Arthur (1881-1885)
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He was the 21st president of the United States, succeeding President James Garfield after his assassination in 1881.
Arthur enacted the first federal immigration law in 1882, excluding "the poor, criminals, and lunatics," the White House says on its website.
Grover Cleveland (1885-1889; 1893-1897)
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Cleveland was the 22nd and 24th president of the United States.
He was the first US president to complete his first term (1885-1889) and return to the White House four years later for a second term, from 1893 to 1897.
Benjamin Harrison (1889-1893)
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The grandson of former President William Henry Harrison (1841) was the 23rd President of the United States.
In his administration, Harrison signed important appropriation laws for internal improvements, naval expansion and subsidies for steamship lines, according to the White House website.
“For the first time, except in war, Congress appropriated a billion dollars” for country improvements, he adds.
The president signed the Sherman Act, the first measure by the federal government to provide for the economy and limit monopolies.
William McKinley (1897-1901)
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The 25th president of the United States is part of the list of presidents of that country to be assassinated.
His presidential term ended on September 14, 1901 when he was shot twice by a "mad anarchist" at the Pan-American Exposition in Buffalo, New York, the White House says on its website.
Theodore Roosevelt (1901-1909)
He was the 26th president of the United States and the first American president of the 20th century.
He was the youngest president to be elected up to that time: he assumed power before he turned 43.
"Roosevelt brought new excitement and power to the Oval Office, vigorously leading Congress and moving the American public toward progressive reforms and a strong foreign policy," the White House says on its website.
Woodrow Wilson (1913-1921)
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He was the 28th president of the United States.
After that country's policy of neutrality at the outbreak of World War I, "Wilson led the United States into the war to 'make the world safe for democracy,'" according to the White House on its website.
Warren G Harding (1921-1923)
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He was the 29th president of the United States.
Towards the end of his presidency, a corruption scandal reached President Harding because, according to what the White House reports on his website, some of his friends used his official positions for their own enrichment.
Harding died in 1923 of a heart attack.
Calvin Coolidge (1923-1929)
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The 30th president of the United States became the first president to address the American people over the radio in 1924, according to the White House.
Coolidge was a defender of the "old moral and economic precepts" and led the country in the midst of the wealth of the 1920s, before the Great Depression.
Before his death in 1933, Coolidge told a former friend, "I feel like I don't fit in these days anymore," according to his biography on the US Presidential website.
Herbert Hoover (1929-1933)
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He was the 31st president of the United States.
In 1928, during his presidential campaign, he claimed that his country was closer to defeating poverty than any other nation in the world.
However, in a matter of months, the stock market crashed, and the nation spiraled into the Great Depression, according to the White House on its website.
Franklin D Roosevelt (1933-1945)
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The 32nd president of the United States assumed the presidency in one of the most turbulent times in the country's history, facing several historical events such as the Great Depression, World War II and Japan's attack on Pearl Harbor, among others.
He has been the only president to be elected to four consecutive terms (1932, 1936, 1940, and 1944).
He suffered from partial paralysis in his body due to polio that struck him when he was 39 years old.
In 1945 he died due to a brain hemorrhage.
Harry S. Truman (1945-1953)
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The 33rd president of the United States assumed power after the sudden death of Franklin Delano Roosevelt in 1945.
According to the White House, Truman "did not receive any information about the development of the atomic bomb or the difficulties the government was facing with the Soviet Union." When he became president, he told reporters: "I feel as if the moon, the stars and all the planets would have fallen on me." He was the president who gave the order to drop the atomic bomb on Hiroshima and Nagasaki in 1945. (Credit: Katherine Young / Getty Images)
Dwight D Eisenhower (1953-1961)
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The 34th president of the United States had great prestige for having been the commanding general of the US forces in World War II, according to the White House page.
During his tenure he managed to end the Korean War and during both terms he worked to ease Cold War tensions.
John F Kennedy (1961-1963)
The 35th president of the United States was just past the first thousand days of his term when he was assassinated by Lee Harvey Oswald, as the presidential motorcade passed through Dealey Plaza in Dallas, Texas, on November 22, 1963.
At 43, Kennedy became his country's youngest president after Theodore Roosevelt, and was the youngest president to die.
Lyndon B Johnson (1963-1969)
El entonces vicepresidente tomó posesión como el presidente número 36 de Estados Unidos el día del asesinato de John F. Kennedy en el mismo avión que trasladaba el cuerpo sin vida del mandatario hasta Washington.
Su programa de gobierno conocido como ‘La Gran Sociedad’ incluía ayudas para la educación, la creación del Medicare, renovación urbana, el embellecimiento, conservación y desarrollo de las regiones deprimidas, así como una lucha a gran escala de la pobreza, el control y prevención de la delincuencia, y "la remoción de obstáculos para garantizar el derecho al voto", según su biografía publicada por la Casa Blanca.
Richard Nixon (1969-1974)
El presidente número 37 de Estados Unidos había servido anteriormente como representante a la Cámara y Senador por el estado de California. Después de finalizar exitosamente la participación de las tropas estadounidenses en Vietnam y de reducir las relaciones con China y Rusia, Nixon se convirtió en el primer (y único) presidente en renunciar a su cargo por el escándalo del ‘Watergate’. (Crédito: Getty Images)
Gerald R. Ford (1974-1977)
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Llegó a ser el presidente número 38 de Estados Unidos tras la renuncia de Richard Nixon por el escándalo del ‘Watergate’. Ford servía como vicepresidente del país antes de su llegada a la Casa Blanca.
Tuvo que enfrentarse a “tareas insuperables”, según su biografía en la página de la presidencia: “Tenía el desafío de dominar la inflación, revivir la economía deprimida, resolver la escasez crónica de energía y tratar de asegurar la paz mundial”.
Jimmy Carter (1977-1981)
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Carter fue elegido como el presidente número 39 de Estados Unidos frente a Gerald R. Ford en 1976.
Durante su mandato trabajó fuertemente para combatir los continuos problemas económicos de la inflación y el desempleo, relata la Casa Blanca en su página web. A pesar de haber aumentado los empleos en casi ocho millones y disminuir el déficit presupuestario, al final de su gobierno hubo una corta recesión, según su biografía en la página web de la presidencia.
Carter recibió el premio Nobel de Paz en 2002 por su trabajo para encontrar soluciones pacíficas a los conflictos internacionales, por promover la democracia y los derechos humanos, y por promover el desarrollo social y económico.
Ronald Reagan (1981-1989)
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El presidente número 40 inicialmente fue un actor y se volvió político antes de llegar a la Oficina Oval en 1981. Desde 1937 y durante las próximas dos décadas Reagan apareció en 53 películas, según información de la Casa Blanca.
En 1966 fue elegido como gobernador de California y reelegido en 1970. En 1980 llegó a la Casa Blanca con 489 votos electorales vs. 49 del presidente Jimmy Carter. A través de la ‘Doctrina Reagan’ apoyó las insurgencias anticomunistas en América Central, Asia y África, dice la Casa Blanca.
George H. W. Bush (1989-1993)
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El presidente número 41 de Estados Unidos tuvo que enfrentar un cambio de era dramático: la Guerra Fría terminó luego de 40 años, el imperio del comunismo cesó y el Muro de Berlín cayó. La Unión Soviética dejó de existir y el reformista presidente ruso Mikhail Gorbachev, a quien Bush apoyó, renunció. En 1992 perdió la reelección con el demócrata Bill Clinton.
Wiliam J. Clinton (1993-2001)
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Fue el presidente número 42 de Estados Unidos. Durante su administración, “Estados Unidos disfrutó de más paz y bienestar económico que cualquier momento de su historia”, dice la Casa Blanca en su página web.
En 1998, como resultado de “indiscreciones personales” con una colaboradora de la Casa Blanca (Mónica Lewinsky), Clinton se convirtió en el segundo presidente del país en enfrentar un juicio político (después de Andrew Johnson en 1868) en el Congreso, pero el Senado lo declaró no culpable del delito de perjurio en 1999. Clinton se disculpó con la nación por sus acciones y alcanzó niveles de popularidad sin precedentes al final de su mandato.
George W. Bush (2001-2009)
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El mandatario número 43 de Estados Unidos fue el presidente “de los tiempos de guerra”, según la página web de la Casa Blanca, pues tuvo que enfrentar las consecuencias de los atentados terroristas del 11 de septiembre de 2001.
Uno de sus actos más controversiales fue la invasión a Iraq en 2003 con la excusa de que el presidente Saddam Hussein representaba una “grave amenaza” para Estados Unidos. Hussein fue capturado, pero la invasión a Iraq y la muerte de soldados estadounidenses e iraquíes por parte de la insurgencia se convirtió en uno de los mayores retos durante su segundo mandato, según la Casa Blanca.
Barack Obama (2009-2017)
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El presidente número 44 de Estados Unidos fue también el primer presidente negro de ese país.
Obama llegó a la Casa Blanca con una estrategia idealista, simbolista, llena de compromiso y de promesas. Llegó a gobernar en medio de una crisis económica compleja que solo se comparaba a esa de la Gran Depresión de los años 30.
Durante su presidencia deportó unos 2,5 millones de hispanos, más que cualquier otro presidente en la historia del país, pero hacia el final de su mandato tenía una popularidad cercana al 55%. Obama fue galardonado con el premio Nobel de Paz en 2009 y ganó dos veces el premio Grammy a Mejor Álbum hablado.
Donald Trump (2017-2021)
El presidente número 45 de Estados Unidos llegó a la Casa Blanca tras una improbable victoria en 2016.
Durante su presidencia Trump descartó abiertamente cualquier pretensión de respeto por algunos ideales pluralistas básicos. Trump no fue reelegido para un segundo mandato en 2020 y dejó el cargo en medio de una ciudad militarizada tras violentos disturbios de sus seguidores en el Capitolio días antes de su fin de mandato. Además dejó el cargo con más de 400.000 estadounidenses muertos por un virus que decidió restar importancia o ignorar.
Trump no asistió al traspaso de mandato en Washington.
Joe Biden (2021-actual)
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Joe Biden entered the White House at age 78 holding the record for the oldest person to be elected President of the United States.
Decades ago, the president had made history for exactly the opposite, his youth.
At the age of 29, he became a US senator, the sixth youngest in the country's history.
In addition to his long career in Congress, Biden was vice president during both Obama administrations.