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Czech and Polish fought over the coal mines in Teschen.
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The Peace Conference accepts proposal for the League of Nations.
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War breaks out between Poland and the Soviet Union.
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The Aaland Island dispute is settled by the League of Nations.
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Upper Silesia riots settled by The League
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A war is started between Greece and Bulgaria and The League fines Greece and puts an end to the war.
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The League transfers all assets to the United Nations.