The North Atlantic Treaty Organisation (NATO) is an inter-government military alliance of 29 countries from North America and Europe. It was established in April 1949. The members include its 12 original members and others who joined later. The founding countries were the USA, UK, Belgium, Canada, France, Denmark, Norway, Iceland, Italy, Portugal, Netherlands, and Luxembourg other NATO members are Greece, Turkey, West Germany, Spain, Poland Hungary, Czech Republic, Bulgaria, Estonia, Latvia, Lithuania, Slovakia, Slovenia, Romania, Albania. The last nation to join NATO in 2017 was Montenegro.
