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The United Nations is created as its Charter is ratified by the five permanent members of the Security Council and the majority of other signatories, and comes into force.
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The first General Assembly, with 51 nations represented opens in Central Hall, Westminster, London
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Security Council meets for the first time in London, adopting its rules of procedure.
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General Assembly adopts its first resolution. Its main focus: peaceful uses of atomic energy and the elimination of atomic and other weapons of mass destruction.
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trygve lie of norway becomes first secretary general
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United Nations Day officially designated by the General Assembly
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United Nations Troop Supervision Organization (UNTSO)
UNTSO was the first peacekeeping operation established by the United Nations -
General Assembly adopts Universal Declaration of Human Rights.
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A UN envoy, Ralph Bunche secures cease-fire between the new State of Israel and Arab States.
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Cornerstone laid for present UN Headquarters in New York City.
