Washington, D.C.
City
Held by
- since 1789 United States
Capital of
- since November 17, 1800 United States
Events here 14
- December 2, 1823 Monroe Doctrine
- January 1, 1863 Emancipation Proclamation
- December 6, 1865 Thirteenth Amendment to US Constitution
- August 18, 1920 Nineteenth Amendment to the United States Constitution
- November 12, 1921 – February 6, 1922 Washington Naval Conference
- March 9, 1933 – 1939 New Deal
- April 3, 1948 – December 31, 1951 Marshall Plan
- April 4, 1949 North Atlantic Treaty
- May 12 – June 24, 1968 Poor People's Campaign
- July 1, 1968 Treaty on the Non-Proliferation of Nuclear Weapons
- January 1, 1994 – July 1, 2020 North American Free Trade Agreement
- November 4, 2008 2008 United States presidential election
- November 8, 2016 2016 United States presidential election
- November 5, 2024 2024 United States presidential election