NATO - Topic: Founding treaty

The foundations of the North Atlantic Treaty Organization (NATO) were officially laid down on 4 April 1949 with the signing of the North Atlantic Treaty, more popularly known as the Washington Treaty.

An unshakable commitment: The U.S. and NATO - U.S. Embassy & Consulates in Italy

What It Takes to Join NATO, a Club Refreshed by Putin: Sweden, Ukraine In Queue - Bloomberg

NATO - Atlantic Council

Infographic: NATO's members, mission and tensions with Russia, Infographic News

NATO (North Atlantic Treaty Organization)

NATO - Declassified: Meet the Signatories

NATO - Topic: Collective defence and Article 5

NATO 2% Pledge is a Matter of Global Security

Formation of Nato - Purpose, Dates & Cold War

The North Atlantic Treaty