North Atlantic Treaty Timeline of Events

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North Atlantic Treaty

The North Atlantic Treaty is the treaty that brought NATO into existence, signed in Washington, D.C. on 4 April 1949. The original twelve nations that signed it and thus became the founding members of NATO were:...

Timeline of Events

1948

3.17.1948

Benelux, France, and the United Kingdom sign the Treaty of Brussels, a precursor to the North Atlantic Treaty establishing NATO.

1949

4.4.1949

Twelve nations sign the North Atlantic Treaty creating the North Atlantic Treaty Organisation.

7.21.1949

The United States Senate ratifies the North Atlantic Treaty.

2001

10.4.2001

NATO confirms invocation of Article 5 of the North Atlantic Treaty.