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August 7
ON THIS DAY

August 7

5 moments across history

1974

Philippe Petit’s Twin Towers High-Wire Walk

Philippe Petit’s Twin Towers High-Wire Walk

Event 2

Philippe Petit’s Twin Towers High-Wire Walk — detail

Year: 1974

On August 7, 1974, French high-wire artist Philippe Petit illegally walked between the Twin Towers of New York’s World Trade Center. His daring performance, made roughly 400 metres above the ground, became one of history’s most celebrated acts of aerial artistry. The feat occurred as the recently completed towers emerged as symbols of modern New York, decades before their destruction in the September 11 attacks.

1964

Gulf of Tonkin Resolution Passed

Gulf of Tonkin Resolution Passed

Gulf of Tonkin Resolution Passed

Gulf of Tonkin Resolution Passed — detail

Year: 1964

On August 7, 1964, Congress passed the Gulf of Tonkin Resolution after reported attacks on U.S. destroyers by North Vietnamese forces, though the second alleged attack was later disputed. It authorized President Lyndon B. Johnson to take “all necessary measures” in Southeast Asia, providing broad authority for a major escalation of U.S. military involvement in Vietnam. Passed amid Cold War efforts to contain communism, the resolution became a key legal basis for the Vietnam War’s expansion without a formal declaration of war.

1959

Explorer 6 Launched

Explorer 6 Launched

Explorer 6 Launched

Explorer 6 Launched — detail

Year: 1959

On August 7, 1959, the United States launched Explorer 6 from Cape Canaveral to study Earth’s magnetic field, radiation, and atmosphere. The satellite later transmitted the first photograph of Earth from orbit, a crude image showing part of the planet and its cloud cover. The mission marked an early advance in satellite imaging during the Space Age and the intensifying U.S.–Soviet space race.

1947

Kon-Tiki Expedition Reaches Raroia Atoll

Kon-Tiki Expedition Reaches Raroia Atoll

Kon-Tiki Expedition Reaches Raroia Atoll

Kon-Tiki Expedition Reaches Raroia Atoll — detail

Year: 1947

On August 7, 1947, Thor Heyerdahl’s six-man Kon-Tiki expedition reached Raroia Atoll after sailing a balsa-wood raft from Peru across the Pacific. The voyage demonstrated that a raft built with pre-Columbian materials could make such a crossing, although it did not prove Heyerdahl’s theory that South Americans settled Polynesia. The expedition became a landmark of postwar exploration and experimental archaeology, while later archaeological, linguistic, and genetic evidence established that Polynesia was settled primarily from the west.