The United States Army traces its origin to June 14, 1775, when the Second Continental Congress created the Continental Army to fight in the American Revolutionary War.

Quick Scoop: When was the Army founded?

For the U.S. context, when people ask “when was the army founded,” they almost always mean the U.S. Army.

On June 14, 1775, the Continental Congress voted to establish a unified colonial force, later recognized as the birthdate of the U.S. Army.

  • Official U.S. Army “birthday”: June 14, 1775.
  • Purpose at founding: To create a continental force to defend the thirteen colonies against Britain in the Revolutionary War.
  • Key step: Congress adopted the existing New England forces around Boston and organized them as the Continental Army.

Today, the Army still celebrates June 14 each year as its birthday, marking it as America’s oldest military branch dating back to 1775.

Information gathered from public forums or data available on the internet and portrayed here.