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IMO 1980 Cancelled Host Country Trivia

925BeginnerCombinatorics

20th Philippine Mathematical Olympiad

This year, our country's team will be participating in the 59th International Mathematical Olympiad, to be held in Cluj-Napoca, Romania. The IMO, which was first held in 1959 also in Romania, has been held annually except in 1980, when it was cancelled due to internal strife in its host country. Which East Asian country was supposed to host the 1980 IMO?
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