To mark the 250th anniversary of the United States, we’re cataloging 25 objects that define the country’s history. We often think of history as something written in a speech or fought for on a ...

The United States Postal Service issued its first-ever postage stamps on this day in history, July 1, 1847. The first postage stamps produced by the United States Postal Service (USPS) were sold in ...

Those first stamps made it easier than ever to communicate, but early on people weren't quite sure how to use them. ‘Snapshots’ of history: How the first stamps changed communication in the U.S. To ...