Timeline

20th century

1. April 4, 1949★★★★★

   NATO founded

   Twelve North American and Western European countries sign the North Atlantic Treaty in Washington, creating the NATO collective defence alliance.

   TreatyPolitics· United States, Canada, United Kingdom, France, Belgium, Netherlands, Luxembourg, Italy, Portugal, Norway, Denmark, Iceland
2. January 1, 1994★★★★★

   NAFTA enters into force

   The North American Free Trade Agreement between the United States, Canada and Mexico takes effect, creating one of the world's largest trade blocs.

   TreatyEconomy· United States, Canada, Mexico