Gerald Ford is the only president never elected to the office

Ford became the first and only president to pardon his predecessor

President Gerald Ford issued a "full, free, and absolute" pardon to Nixon on Sept. 8, 1974, covering any crimes committed between Jan. 20, 1969, and his resignation—effectively ending legal proceedings and making Nixon the first president ever pardoned by his successor.

Amid the aftermath of Watergate, Gerald Ford declared that the state of the union was 'not good'

In his first State of the Union in January 1975, President Ford departed from the usual optimism, bluntly acknowledging recession, inflation, and public distrust as the country worked to recover from Nixon's resignation and the Watergate scandal.

Watch President Nixon's resignation speech

With impeachment looming, President Richard Nixon gave a televised Oval Office address. Watch this famous address in which Nixon announced his resignation due to the Watergate scandal—becoming the first and only president to resign from office.

Nixon's landslide in the 1972 presidential election

Despite the Watergate break-in becoming public in June 1972, voters largely shrugged it off. On Nov. 7, 1972, Richard Nixon still achieved a historic landslide—winning 520 out of 538 electoral votes, carrying 49 states—making it one of the largest Electoral College victories in US history.

Experience Watergate through photographs

The Watergate scandal produced some of the most iconic images in American political history—especially the candid shot of Nixon boarding a helicopter while leaving the White House for the final time on Aug. 9, 1974.

Journalism's real drama made 'All the President's Men' irresistible for Robert Redford

Robert Redford was drawn to Watergate not by Nixon, but by the partnership of two contrasting journalists—Woodward and Bernstein. In the interview, he explains how he shaped the film's documentary style to spotlight the story rather than the scandal.

Washington was elected unanimously twice to the presidency

George Washington was unanimously elected in 1789 and 1792, with every presidential elector casting one of their two votes for him (at the time, each elector cast two votes). He accepted the office reluctantly, seeing it as a duty rather than an ambition.

The War Powers Act of 1973 was passed over Nixon's veto to limit the president's ability to wage war unilaterally

Passed in the aftermath of the Vietnam War, the War Powers Resolution requires the president to notify Congress within 48 hours of deploying forces and to end military operations within 60 days without congressional approval. Nixon vetoed the bill, arguing it was unconstitutional, but Congress overrode his veto.

Five US presidents won the election despite losing the popular vote

Because presidents are elected through the Electoral College rather than a national vote, candidates can win while receiving fewer votes nationwide. John Quincy Adams, Rutherford B. Hayes, Benjamin Harrison, George W. Bush, and Donald Trump (2016) each won the presidency while losing the nationwide popular vote.

Presidents can be impeached for 'treason, bribery, or other high crimes and misdemeanors'

The Constitution empowers the House to impeach a president by a majority vote and the Senate to convict by a two-thirds vote. Three presidents—Andrew Johnson, Bill Clinton, and Donald Trump (twice)—were impeached, though none were removed from office.

See the presidents with the most vetoes

Franklin D. Roosevelt issued a record 635 vetoes—more than twice as many as any other president. Other frequent users include Grover Cleveland (584), Harry Truman (250), and Dwight Eisenhower (181), reflecting long tenures, divided government, high legislative output, and assertive executive leadership.

The 22nd Amendment set a 2-term limit on the presidency

Ratified in 1951, the amendment states that no person may be elected president more than twice. It also specifies that a vice president who assumes office midterm may serve up to 10 years in total.

In 1979, Iranian students seized the US Embassy in Tehran, holding 52 Americans hostage for 444 days

Outraged by the US decision to allow the exiled Shah to enter the United States for medical treatment, student protesters stormed the embassy in November 1979. The crisis paralyzed the Carter presidency and ended with a negotiated release on the day of Ronald Reagan's inauguration.

Abraham Lincoln's missing bodyguard

The night President Abraham Lincoln was shot, his bodyguard John Frederick Parker was late for his shift—and reportedly left his post to drink at the bar. Infamous assassin John Wilkes Booth entered the booth at Ford's Theater where the president sat while Parker was absent, leading to one of the United States' greatest political tragedies. Read more about the troubled history of Parker here.

James Garfield, the first left-handed US president

Though he was assassinated only four months into his tenure, President James Garfield was a highly respected figure, a professor known for his mastery of several languages, success as a general in the Civil War, and accomplishments in Congress. He was also left-handed, the first southpaw to sit in the Oval Office. Learn more about Garfield's ambidexterity here.

1440 Explores: The Evolution of the US Presidency

1440 traces how the presidency transformed from the limited office envisioned by the Founders into today's powerful institution—examining how presidents like FDR and Nixon reshaped executive authority.

Central bank independence is correlated with lower inflation on average

Executives may seek to influence the central bank to reduce interest rates for political points. Since its creation in the early 20th century, the US' Federal Reserve saw the most interactions from the president during the Nixon and Ford administrations.

Long after his death, Washington was made the highest-ranking military figure in US history

Only three Americans have held the rank of General of the Armies: John J. Pershing, Ulysses S. Grant, and Washington. However, Washington still outranks the others because Congress passed a 1976 law stating that he outranks all officers "past or present."

Go inside Air Force One

Air Force One is the official aircraft used to transport the US president, serving as both a mobile office and command center. Over the decades, its technology, security, and symbolism have evolved—from Roosevelt's early prop planes to today's highly advanced Boeing jets.

Listen to the details of Henry Ford's widely speculated affair and secret child

Henry Ford married Clara Bryant in 1888, but is widely rumored to have had a longstanding affair with Evangeline Cote Dahlinger—with whom he's believed to have had a secret child named John. Allegedly, Henry Ford had the manager of Ford Farms, Ray Dahlinger, marry Evangeline and raise their son, John Dahlinger, to protect his reputation. Later in life, John Dahlinger wrote that Henry Ford was his real father in a book titled "The Secret Life of Henry Ford."

Seven of South Korea's presidents have left office before their term ended

Recently removed President Yoon Suk Yeol isn’t the first South Korean leader to face turmoil at home. As this Voice of America piece shows, at least seven of the country’s 20th-century heads of state saw their political careers (and, in some cases, their lives) come to an abrupt and sometimes violent end.

John Dingell Jr. was the longest-serving member of the House

John Dingell Jr. served 59 years in the United States House of Representatives, representing his Michigan constituents. This list highlights the 33 House members in US history who have served 40 years or longer.

How a skin cancerous growth shifted an initially skeptical President Reagan on the ozone crisis

While a 1985 Nature study revealing the Antarctic ozone hole jolted public concern, Reagan's administration was more focused on the Cold War than on environmental policy. His health scare and the market potential for developing alternatives to chlorofluorocarbons helped turn the tide, leading to the Montreal Protocol's unanimous ratification by a bipartisan Senate in 1988.

The White House was almost entirely rebuilt from 1948 to 1952

Structural failure forced President Harry Truman to vacate the White House in 1948. Engineers gutted the building, keeping only its exterior walls, and rebuilt the interior with a new steel frame, modern utilities, and reinforced foundations by 1952.

The rise of Vladimir Putin

Vladimir Putin's rise has been unprecedented. Over the years his actions have taken him from being a spy in East Germany to president of Russia. Learn more about his rise to power and the means by which he achieved it in this brief yet thorough nine-minute video.

Watch contemporary footage covering the US-backed Shah of Iran fleeing the country in the face of the 1979 Iranian Revolution

See a ranking of the best (and worst) Federal Reserve Chairs since 1914 out of the 16 men and women who have held the office since.

Abraham Lincoln was almost assassinated weeks before his inauguration as he traveled from Illinois to DC through Baltimore in 1861; it took two independent claims for Lincoln to be convinced the threat was real

Despite being favored by 87% of Americans, Congress does not have term limits.

Many legends about George Washington, including his supposed wooden teeth and the story of cutting down the cherry tree, lack evidence.

Jimmy Carter signed a 1978 bill that legalized home brewing, a move credited with kick-starting the craft beer industry.

See 33 images that became central to huge scandals, including a young Charles and Camilla, Michael Jackson's baby on a hotel balcony, and Hugh Grant's mugshot.

A researcher recently discovered an interview from 1967 between groundbreaking journalist Joan Didion and the Grateful Dead, years before the band became an institution.

The US first hosted the World Cup in 1994, a tournament that lives in soccer infamy for its poor planning and the murder of Colombian player Andres Escobar, who'd accidentally scored on his own net.

Exploring the Larry Bird punch that almost changed March Madness

Gerrymandering works through two techniques: cracking opposing voters across districts to dilute their power, and packing them into a few to waste their votes in lopsided majorities.

Frank Lloyd Wright's houses are historically hard to sell because they're old, subject to local landmark commissions, and often unfashionable

In 1939, baseball star Lou Gehrig delivered his inspirational 'Luckiest Man' speech after retiring due to the health condition that now bears his name.

For centuries, Niagara Falls has been a magnet for daredevils seeking to conquer one of nature's most powerful wonders, with its 200-foot drop and water rushing at 32 feet per second with 280 tons of force.

Pure water does not conduct electricity because this flow of energy requires the movement of charged particles, and water is a neutral molecule.

After her fellow cult members tried to kill her with an LSD-infused hamburger, one member of the Manson Family, the murderous cult led by Charles Manson, decided to testify against the group's leader.

Elk Cloner, the first computer virus to spread in public, was written as a practical joke by Richard Skrenta, a Pittsburgh high school student.

Venture capital is a form of funding provided to early-stage companies with high growth potential, typically in exchange for an equity (or ownership) stake

'Saturday Night Fever,' the 1977 film that introduced disco to the mainstream, was based on a fabricated magazine story.

Discover the catastrophic consequences of a failure of the US electrical grid—something that is more likely than many Americans think.

Dorothy's famous entrance into Oz in 'The Wizard of Oz' relied on analog tricks, including a body double and sepia-toned paint, as much as it did on technology

The Beatles' US label rejected the band's first two singles, 'Please Please Me' and 'From Me to You,' with one executive calling the band 'dead in the water.'

Domino's Pizza's 30-minute delivery guarantee was responsible for the chain's 1980s surge, but it was discontinued after the company was found liable for delivery driver accidents.

Three Ebola species are responsible for most large outbreaks of the disease, yet the only approved Ebola vaccine is known to work against just one of them.