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The kidney was the first organ transplant that was done successfully. Later in the 1960's, more transplants were successful, like lungs and intestinal organs.
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The Korean war started on June 25, 1950 when 75,000 army soldiers from North Korea came and attacked the South Korean people. The country is still split to this day.
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A guy named Alan Freed started playing his style of music and called it "rock and roll" and it became popular.
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The US still wants to keep Jerusalem as an international zone but Israel proclaims it as a capital.
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In 1950's there was a huge outbreak of polio disease that affected more than 60,000 children in the US. Thousands were paralyzed and more than 3,000 died.
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This was the first satellite to be put into orbit around the earth.
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James D. Watson and Francis H. C. Crick discovered double helix structure of DNA that is human genes.
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Queen Elizabeth was crowned Queen of England after her father (the king) died.
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It's known as The Second Indochina War and was caused by the rising of tensions on both sides. The US had been providing lots of goods to Vietnam.
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Alaska and Hawaii were the last states to join the US in 1959