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When did the government of Iran request that other countries use the name Iran instead of Persia?
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The government of Iran officially requested that the international community use the name Iran in place of Persia in 1935.12
While the term "Persia" had been used for centuries by Western nations to refer to the region, it originated from a specific southern province known as Persis (modern Fars). The people of the region have traditionally referred to their country as Iran, which translates to "Land of the Aryans".12