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. March 25, 1957★★★★★

   Treaty of Rome establishes the European Economic Community

   Belgium, France, West Germany, Italy, Luxembourg and the Netherlands sign the treaty creating the European Economic Community, forerunner of the European Union.

   TreatyEconomy· Belgium, France, Germany, Italy, Luxembourg, Netherlands
3. 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