Millions of American soldiers have marched in military parades since the Civil War, which marked the tradition as a fundamental ritual of American unity.

On June 14, 1775, the Continental Congress voted to replace the colonies' part-time militias with a full-time army – and after 1,300 battles and skirmishes, the Army, led by Gen. George Washington, defeated the British Empire,

It's the U.S. Army's birthday. Originally created as a small force, its soldiers have played a major role in the U.S.'s growth and defense.

On June 14, 1775, the Continental Congress voted to replace the part-time militias that were facing off against British forces with a full-time army. After 1,300 battles and skirmishes, the Army, led by Gen.

America’s oldest military service turns 250 on Saturday. If you see an active duty, former, or retired member of the Army, wish their service a happy birthday.

In 1775, the Continental Congress established the Army as the first U.S. military service. In 1777, the Stars and Stripes became the national U.S. flag. In 1922, Warren G. Harding became the first U.S. president to broadcast a message over the radio. The occasion was the dedication of the Francis Scott Key Memorial in Baltimore.

President Donald Trump has already eroded many of the U.S.'s democratic safeguards and traditions in the initial months of his second term.

Here are some things you may not know about the U.S. Army, which will be honored Saturday in Washington, D.C. with a military parade.