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. November 1, 1993★★★★★

   European Union established by the Maastricht Treaty

   The Maastricht Treaty enters into force, formally establishing the European Union and laying the groundwork for a single currency.

   TreatyPolitics· Belgium, France, Germany, Italy, Luxembourg, Netherlands, United Kingdom, Ireland, Denmark, Greece, Spain, Portugal