History of NATO Atlantic Treaty, which was signed by US President Harry S. Truman in Washington on 4 April 1949. It included the five Treaty of Brussels states plus the United States, Canada, Portugal, Italy, Norway, Denmark and Iceland. The first NATO Secretary General, Lord Ismay, stated in 1949 that the organization's goal was "to keep the Russians out, the Americans in, and the Germans down". Popular support for the Treaty was not unanimous, and some Icelanders participated in a pro-neutrality, anti-membership riot in March 1949. The creation of NATO can be seen as the primary institutional consequence of a school of thought
Montenegro–NATO relations Ratification (Resolution of Advice and Consent to Ratification (Treaty Doc. 114-12)) on 28 March 2017. President Donald Trump signed a presidential memorandum on 11 April 2017. Ratification by each member state was completed with Spain's ratification on 10 May. On 28 April 2017 Montenegro's parliament ratified the accession treaty. Montenegro officially joined NATO as a member state on 5 June 2017. The reaction of the Russian government to Montenegro′s bid to join NATO had been increasingly hostile culminating in an attempt to stage a coup d'état on 16 October 2016, on the day of the parliamentary election that allegedly would