NATO
NATO. North Atlantic Treaty Organization. 1949- Collective defence alliance of Western European and North Atlantic countries to preserve democratic freedom. UK, Canada, France, Belgium, Netherlands, Luxembourg, Norway, Denmark, Iceland, Italy, Portugal, US. 1952 Greece, Turkey, 1955 FRG. 1964 -Greece. 1966 -France. 1980 +Greece. 1982 +Spain. 1993 +France. 1999 +Poland, Hungary, Czech Republic. 2004 +Latvia, Estonia, Lithuania, Bulgaria, Romania, Slovakia, Slovenia.