Luxembourg was a founding member of NATO and joined on April 4, 1949.
NATO
Its agreed that a military alliance between Britain, France, Belgium, The Netherlands and Luxembourg was a precursor for the NATO alliance. It was then revamped, and the NATO alliance formed with the founding members of Belgium, Canada, Denmark, France, Iceland, Italy, Luxembourg, Netherlands, Norway, Portugal, the UK and The United States. It has since incorporated Germany, Spain, Greece, Turkey, Hungary, Poland, Bulgaria, Romania, Estonia, Lativa, Lithuania, Slovakia, Slovenia and the Czech Republic. Croatia and Albania are also expected to join, and Ukraine and Georgia are expected to receive invitations to join.
Mexico isn't a member of NATO.
Africa's countries are not members of NATO.
Italy joined NATO in 1949.
All of the following nations were original members of NATO except for Spain. NATO, formed in 1949, initially included 12 founding countries: Belgium, Canada, Denmark, France, Iceland, Italy, Luxembourg, the Netherlands, Norway, Portugal, the United Kingdom, and the United States. Spain did not join NATO until 1982.
No
1955
Yes
No it did not.
Romania joined NATO on 29 March 2004.
NATO as it exists today has over ever been called NATO. However, a precursor to NATO, which did not include the USA, was the Western Union Defence Organisation, a defence council set up by the UK, France, Belgium, Luxembourg and the Netherlands.