Year

1974

8 sourced events from this year.

Events

1974 Timeline

All Years

1974

Exploration 20th Century North America

Mariner 10 Makes First Flyby of Mercury

NASA's Mariner 10 spacecraft, launched in November 1973, used a gravity assist from Venus to reach the innermost planet. Mercury had never been visited by a probe, and scientists sought close-up data on its surface, magnetic field, and environment. On March 29, 1974, the spacecraft passed within 437 miles of Mercury, returning the first detailed images and measurements of the planet's cratered terrain and confirming a weak magnetic field. The encounter also revealed a thin helium-rich exosphere. Mariner 10 would make two additional flybys, providing the bulk of knowledge about Mercury until the MESSENGER mission decades later.

Event Detail Daily Earth View

1974

Culture 20th Century North America

Hank Aaron Breaks Babe Ruth's Home Run Record

In the mid-twentieth century, Major League Baseball stood as a national pastime grappling with its history of racial segregation while celebrating individual excellence. Hank Aaron, an African American outfielder for the Atlanta Braves who had endured death threats and pressure during his pursuit of the record, entered the 1974 season one home run shy of Babe Ruth's 714. On April 8, 1974, before a sellout crowd at Atlanta-Fulton County Stadium, Aaron connected on a fourth-inning pitch from Los Angeles Dodgers pitcher Al Downing, sending his 715th career home run over the left-field fence. The feat surpassed Ruth's long-standing mark and was celebrated amid national attention, with Aaron finishing his career with 755 homers.

Event Detail America 250 Atlas

1974

Technology 20th Century South Asia

India Conducts First Nuclear Test Smiling Buddha

India's nuclear program originated in the 1940s under Homi Bhabha, evolving from civilian energy goals amid regional security concerns, particularly after conflicts with China and Pakistan. Prime Minister Indira Gandhi authorized development of a test device in the early 1970s following the 1971 war. On May 18, 1974, at the Pokhran Test Range in Rajasthan, India detonated a plutonium implosion device codenamed Smiling Buddha at 8:05 a.m. IST. The underground test yielded an estimated 6-10 kilotons and was officially described as a peaceful nuclear explosion. It made India the sixth nation to conduct a nuclear test outside the UN Security Council's permanent members.

Event Detail

1974

Law 20th Century North America

House Committee Votes to Impeach Nixon

The Watergate scandal unfolded after a 1972 break-in at Democratic National Committee headquarters, with evidence emerging of a cover-up involving President Richard Nixon's administration, including tape recordings of Oval Office conversations. The House Judiciary Committee conducted months of hearings examining articles of impeachment for obstruction of justice, abuse of power, and contempt of Congress. On July 27, 1974, the committee voted 27 to 11 in favor of the first article, charging Nixon with obstruction of justice related to the cover-up. Bipartisan support signaled eroding confidence in the president amid ongoing investigations and public pressure.

Event Detail America 250 Atlas

1974

Culture 20th Century North America

Philippe Petit Walks Between Twin Towers

French high-wire artist Philippe Petit had long planned an unauthorized performance to connect the newly completed World Trade Center towers in New York City. On August 7, 1974, he stretched a steel cable between the roofs of the 110-story buildings, 1,350 feet above the ground. Petit walked back and forth eight times over 45 minutes, performing ballet-like movements and even lying on the wire. Police arrested him upon completion, but charges were dropped after he agreed to perform for children. The feat captivated the public and was later chronicled in the documentary Man on Wire.

Event Detail

1974

Politics 20th Century North America

President Nixon Announces Resignation Amid Watergate

The Watergate scandal, involving a break-in at Democratic headquarters and subsequent cover-up, had engulfed the Nixon administration by mid-1974 with mounting evidence of obstruction of justice. Facing certain impeachment by the House and conviction in the Senate after the release of incriminating tapes, President Richard Nixon addressed the nation on August 8, 1974. He stated he would resign effective at noon the following day, becoming the first U.S. president to do so. Vice President Gerald Ford was sworn in as the 38th president on August 9. The resignation followed months of congressional hearings, special prosecutor investigations, and eroding public support.

Event Detail America 250 Atlas

1974

Politics 20th Century North America

Nixon Resigns Amid Watergate Scandal

The Watergate scandal, involving a break-in at Democratic National Committee headquarters and subsequent cover-up, had eroded public trust in the Nixon administration since 1972. Congressional investigations, Supreme Court rulings on tapes, and impeachment proceedings in the House intensified pressure on President Richard Nixon. On August 9, 1974, Nixon became the first U.S. president to resign from office, delivering a farewell address from the White House and transferring power to Vice President Gerald Ford. The resignation avoided a likely Senate conviction on articles of impeachment related to obstruction of justice and abuse of power. Ford's subsequent pardon of Nixon sparked further controversy over accountability.

Event Detail America 250 Atlas

1974

Law 20th Century North America

President Ford Pardons Richard Nixon

In the wake of the Watergate scandal that forced Richard Nixon's resignation on August 9, 1974, newly sworn-in President Gerald Ford confronted deep national divisions over accountability for presidential misconduct. Ford, who had not been elected to either the presidency or vice presidency, weighed the need for closure against ongoing legal proceedings. On September 8, 1974, he issued a full, unconditional pardon to Nixon for any federal crimes committed during his presidency. The decision, announced from the Oval Office, aimed to end the national ordeal but immediately sparked widespread controversy and accusations of a deal. Nixon accepted the pardon without admitting guilt.

Event Detail America 250 Atlas