Member states of NATO members and three former Yugoslav republics) from 12 March 1999 to 5 June 2017. NATO has added new members seven times since its founding in 1949, and since 2017 NATO has had 29 members. Twelve countries were part of the founding of NATO: Belgium, Canada, Denmark, France, Iceland, Italy, Luxembourg, the Netherlands, Norway, Portugal, the United Kingdom, and the United States. In 1952, Greece and Turkey became members of the Alliance, joined later by West Germany (in 1955) and Spain (in 1982). In 1990, with the reunification of Germany, NATO grew to include the former country of East Germany. Between
Azerbaijan–NATO relations on March 7, 2008.Azerbaijan has completed NATO-Azerbaijan IPAP documents for the first (2005-2007), second (2008-2010), third (2011-2013), and the fourth period (2015-2016). Member countries of NATO supported Azerbaijan's territorial integrity under the Declarations issued at the meeting of NAC held in Riga on 28–29 November 2006, at the NATO/EAPC and ISAF format Summits held in Bucharest on 2–4 April 2008, at the Strasbourg-Kehl Summit of NATO held on 3–4 April 2009. The President of Azerbaijan participated in the Meetings of Heads of States and Governments on Afghanistan during the NATO Summit in Chicago in 2012, in Wales in September 2014,