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When did Japan occupy Hainan during the Sino-Japanese War?
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Hainan
Beach on Wuzhizhou Island, far southern Hainan province, China.
Japan occupied the island of Hainan during the Second Sino-Japanese War from 1939 to 1945. During this period, the Japanese military began developing the island's economic potential, including the expansion of rubber and tropical goods production and the exploitation of mineral resources such as iron ore, bauxite, and tin.1