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Earthquake in Chiayi.
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Taiwan becomes financially self-sufficient and is weaned off subsidies from Japan's central government.
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Outer Mongolia declared independence from the Qing Dynasty under the Bogd Khan.
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All remaining Chinese troops were defeated by Ungern and driven from Mongolia, allowing the reassertion of Mongolian independence under Bogd Khan.
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Hwatung Line Railroad completed.
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Battle of Khalkhyn Gol: The battle ended in a Japanese defeat. A truce was negotiated between Japan and the Soviet Union.
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The newly established People's Republic of China recognized Mongolia and agreed to establish diplomatic relations.
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Mongolia established diplomatic relations with the United States.
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A new constitution went into effect.
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Red Line of the Kaohsiung MRT completed.