When was the United Nations Security Council formed?
United Nations Security Council
24 October 1945
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]