Submarines played a major role in Word War I. But the first submersible was actually used, though unsuccessfully, in the Revolutionary War.

One of the National Park Service's first historic preservation projects, the Colonial National Monument, wrote people of color completely out of the story.

Presuming that immigration was a boon to national security, U.S. borders remained mostly open for the first century of the nation’s existence.

Historian Joyce Appleby, a major contributor to our understanding of early American history, passed away last month. We remember her.

Some historians think Benedict Arnold's treason may well have aided the American cause in the Revolutionary War.

What is Flag Day, again? Early American flags were all over the place. There was no consensus about the flag until 25 years after the Revolution.

The history of loyalists and rebels in the American Revolution and genealogy research.