Browse Historical Events by Month:
What Happened in September?
Battles, deaths, and monumental religious moments. Explore significant events from September that helped shape the world. Dates for earlier events may be approximate.
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The International Military Tribunal at Nuremberg delivers its verdicts, with several high-ranking Nazi officials found guilty of war crimes, crimes against humanity, and other atrocities committed during World War II. More
The Partition of India takes effect, leading to the creation of the independent nations of India and Pakistan and resulting in widespread violence and mass migrations.
The Nuremberg Trials of Nazi war criminals begin in Nuremberg, Germany.
Swedish Diplomat, Folke Bernadotte, Count of Wisborg, is assassinated while serving as the United Nations (UN) mediator between the Arabs and the Israelis, by the militant Zionist group Lehi, while fulfilling his duties. He is also known for negotiating the release of thousands of prisoners from German concentration camps during World War II, including a large number of Jewish prisoners. More
The Organization of American States (OAS) is founded in Bogota, Colombia, with the goal of promoting democracy, peace, and cooperation among the countries of the Americas.
US President Truman announces that the Soviet Union had tested a nuclear device several weeks earlier. The White House did not explain how the United States had detected the test, which had occurred on 29 August 1949 at Semipalatinsk, in northeastern Kazakhstan. More
On September 15, 1950, the soldiers, sailors, and Marines of X Corps landed at Inchon. North Korea was unprepared for the landing although the Inchon plans had been leaked in the U.S. media and throughout Japan. More
The Old Man and the Sea, written by Ernest Hemingway, is published and later wins the Pulitzer Prize for Fiction.
The first official TV broadcast in Canada takes place in Montreal.
The Southeast Asia Treaty Organization (SEATO) is established, aimed at preventing the spread of communism in the region.
USS Nautilus (SSN-571), the world’s first nuclear powered submarine is commissioned at Groton, Connecticut, with Commander Eugene P. Wilkinson as the boat’s first commander. The construction of Nautilus was made possible by the successful development of a nuclear propulsion plant by a group of scientists and engineers, under the leadership of Captain Hyman G. Rickover. More
Argentina's President Peron is deposed after a revolt by the army and navy. He had ben reelected to his second term by a wide margin in 1952. He left Argentina and lived in exile and returned to Argentina in 1973 and was soon elected President for a third time. More
he television series "The Mickey Mouse Club" premieres on American television, becoming an iconic part of popular culture.
Ford introduces its newest model called the Edsel which went on to become perhaps its most notable financial and marketing failure. The Edsel was discontinued after three model years, with the brand becoming a symbol of corporate failure . It is now a prized collector's item. More
The US Military conducts the first-ever underground nuclear explosion as part of Operation Plumbbob. The test took place in Nevada. More
The Little Rock Nine are able to enter classes at the Little Rock Central High School for the first time after President Eisenhower federalized the Arkansas National Guard and sent the 101st Airborne Division of the United States Army to Little Rock to enforce desegregation and protect the students from hostile mobs.
Before this intervention, Arkansas Governor Orval Faubus had used the state's National Guard to block the students from attending the school to "preserve the peace" Eisenhower's Federalization of the entire 10,000 member Arkansas National Guard took them out out of Governor Faubus's control. More
Black student Elizabeth Eckford is jeered by white student Hazel Bryan as she attempts to enter Little Rock Central High School.
The Soviet spacecraft Luna 2 reaches the moon and crashes on its surface, making it the first human-made object to contact another solar system body. More . Luna 2 was launched by the Soviet Union on September 12, 1959.
Fidel Castro arrives in New York to address the UN General Assembly. His brief trip put the Cuban leader on the world stage. Days after his return to Cuba, the US imposed a trade embargo that would last more than half a century. Diplomatic relations with the island were severed in January 1961. More