The United Nations Charter is the treaty that forms and establishes the international organization called the United Nations. The Charter of the United Nations was signed on 26 June 1945, in San Francisco, at the conclusion of the United Nations Conference on International Organization, and came into force on 24 October 1945. As a charter, it is a constituent treaty, and all members are bound by its articles. Furthermore, the Charter states that obligations to the United Nations prevail over all other treaty obligations. Most countries in the world have now ratified the Charter.
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