North Atlantic Treaty Organization or NATO, Organisation du traité de l'Atlantique Nord (OTAN)), also called the (North) Atlantic Alliance, is an intergovernmental military alliance based on the North Atlantic Treaty which was signed on 4 April 1949. The NATO headquarters are in Brussels, Belgium, and the organization constitutes a system of collective defence whereby its member states agree to mutual defense in response to an attack by any external party. On June 27, 2022 Another NATO memberships on decidedly currently allied countries.

NATO flag.svg.png
The flag of the NATO

It was the military alliance.

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