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The International Police Association (IPA) – the largest police organization in the world – is formed
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Mount Lamington erupts in New Guinea.
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The U.S. Air Force loses a Convair B-36 bomber that carried an Mark 4 nuclear bomb off the west coast of Canada, and produces the world's first Broken Arrow.
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The U.S. Army begins to deploy anti-aircraft cannons to protect nuclear stations and military targets.
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Egypt demands that Britain remove all its troops in the Suez Canal.
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Uruguay beat Brazil 2–1 to win the 1950 World Cup.
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A bomb-laden B 29 Superfortress crashes into a residential area in California; 17 are killed, 68 injured.
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A coal mine collapse in New Cumnock, Scotland, kills 13 miners 116 are rescued.
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Korean War The People's Republic of China enters the conflict by sending thousands of soldiers across the Yalu River
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Korean War Troops from the People's Republic of China launched a massive counterattack against South Korean and United Nations forces at the Ch'ongch'on River and the Chosin Reservoir dashing any hopes for a quick end to the conflict.
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Douglas MacArthur (a general) threatens to use nuclear weapons in Korea.