Timeline of United States at war

See also: Timeline of United States military operations and List of wars involving the United States

This is a timeline of the United States of America at war during and since the American Revolutionary War, detailing all of the times the United States has been at war.

1770–1900

1900–Present

See also

• List of wars involving the United States
• Timeline of United States military operations
• List of wars 1500–1799
• List of wars 1800–1899
• List of wars 1900–1944
• List of wars 1945–1989
• List of wars 1990–2002
• List of wars 2003–current