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When was the League of Nations formally dissolved?

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Delegates in formal attire seated closely together at an international League of Nations conference, circa 1930. — League of Nations Delegates attending a League of Nations meeting, c. 1930.

The League of Nations was formally dissolved on April 19, 1946.123

Following the conclusion of World War II, the organization's powers and functions were transferred to the newly established United Nations, which also inherited its material assets, including the Palais des Nations.12