<P> 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 . On 17 January 1946 , the Security Council met for the first time at Church House , Westminster , in London , United Kingdom . </P>
<P> 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 . On 17 January 1946 , the Security Council met for the first time at Church House , Westminster , in London , United Kingdom . </P>
where was the first un security council meeting held
where was the first un security council meeting held
Church House , Westminster , in London , United Kingdom
Church House , Westminster , in London , United Kingdom