Question

when was the NATO established?

Answer 1

The North Atlantic Treaty was signed in Washington, D.C., on 4 April 1949 and was ratified by the United States that August. The Treaty of Brussels, signed on 17 March 1948 by Belgium, the Netherlands, Luxembourg, France, and the United Kingdom, is considered the precursor to the NATO agreement.

Answer 2

April 4, 1949
--------------------
NATO 
established on :- April 4, 1949

established in :-Washington, D.C., United States