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September 24
5 moments across history
India Reaches Mars on Its Maiden Mission
On September 24, 2014, India’s Mars Orbiter Mission, known as Mangalyaan, successfully entered orbit around Mars. The achievement made India the first country to reach Mars on its maiden attempt and the first Asian nation to orbit the planet. It also made India’s space agency the fourth to reach Martian orbit, after those of the Soviet Union, the United States, and Europe.
India Reaches Mars on Its Maiden Mission
Comprehensive Nuclear-Test-Ban Treaty Opens for Signature
Event 2
Year: 1996
On September 24, 1996, the Comprehensive Nuclear-Test-Ban Treaty opened for signature at the United Nations, prohibiting all nuclear test explosions in every environment. It mattered because it established a global norm against nuclear testing and aimed to impede the development and improvement of nuclear weapons. Negotiated after decades of Cold War testing and earlier partial restrictions, the treaty has gained broad support but still has not entered into force because required states remain outside it.
Guinea-Bissau Declares Independence
Guinea-Bissau Declares Independence
Year: 1973
On September 24, 1973, the PAIGC unilaterally proclaimed Guinea-Bissau’s independence from Portugal after years of armed struggle. The declaration established a new state that soon gained broad international recognition, although Portugal did not formally recognize it until 1974. It was part of African decolonization and the Portuguese Colonial War, which ended after Portugal’s 1974 Carnation Revolution hastened the collapse of its empire.
USS Enterprise Launched
USS Enterprise Launched
Year: 1960
On September 24, 1960, the U.S. Navy launched USS Enterprise at Newport News, Virginia, the world’s first nuclear-powered aircraft carrier. Its eight nuclear reactors gave it exceptional range and endurance, demonstrating the potential of nuclear propulsion for large surface warships. Launched during the Cold War, Enterprise reflected the United States’ expanding nuclear-powered fleet and the growing importance of carrier-based naval aviation.
Federal Intervention in Little Rock
Federal Intervention in Little Rock
Year: 1957
On September 24, 1957, President Dwight D. Eisenhower federalized the Arkansas National Guard and sent federal troops to enforce the desegregation of Little Rock Central High School. The intervention protected the Little Rock Nine and demonstrated that the federal government would enforce court-ordered integration despite state resistance. It occurred amid the broader civil rights struggle following Brown v. Board of Education, which had declared racial segregation in public schools unconstitutional.