The North Atlantic Treaty Organization (NATO) / Organisation du traité de l’Atlantique nord (OTAN) was established by the signing of the North Atlantic Treaty on 4 April 1949 by Belgium, Canada, Denmark, France, Iceland, Italy, Luxembourg, the Netherlands, Norway, Portugal, the United Kingdom, and the United States. Greece and Turkey joined in 1952.
Belgium
Canada
France
Italy
Luxembourg
Netherlands
Portugal
Turkey
USA