NATO: North Atlantic Treaty Organization
28 Member States of NATO (With Dates of Membership): Albania (2009), Belgium (1949), Bulgaria (2004), Canada (1949), Croatia (2009), Czech Republic (1999), Denmark (1949), Estonia (2004), France (1949), Germany (1965), Greece (1952), Hungary (1999), Iceland (1949), Italy (1949), Latvia (2004), Lithuania (2004), Luxembourg (1949), the Netherlands (1949), Norway (1949), Poland (1999), Portugal (1949), Romania (2004), Slovakia (2004), Slovenia (2004), Spain (1982), Turkey (1952), United Kingdom (1949), United States (1949).