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  WWII ended and the peninsula divided with the North occupied by the Soviet Union and the South occupied by the U.S.
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  In 1948 the North installed Kim Il-Sung as the leader and Soviet Troops withdrew. In 1950 the South declares independence which started the Korean war-which ended in 1953.
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  North and South Korea were both admitted to the United Nations as separate countries.
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  The two countries agreed to allow families to visit those separated for the past half-century by the division.
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  North Korea joined the South for the 2018 olympics, marched under a unified flag, and competed as a unified ice hockey team