Question

fill in the black United Nations was established on.......................

Answer 1

24 October 1945
at San Francisco America
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Answer 2

A replacement for the ineffective League of Nations, the organization was established on 24 October 1945 after World War II with the aim of preventing another such conflict. At its founding, the UN had 51 member states; there are now 193.
UN Headquarters in New York City