title: United Nations Security Council
context: The UN officially came into existence on 24 October 1945 upon ratification of the Charter by the five then-permanent members of the Security Council and by a majority of the other 46 signatories.[19] On 17 January 1946, the Security Council met for the first time at Church House, Westminster, in London, United Kingdom.[22]
question: When was the United Nations Security Council formed?
answers: 24 October 1945