March 23rd marks significant US historical milestones, from Patrick Henry's revolutionary call in 1775 to the installation of ...

A Kermit the Frog puppet is seen on display as part of a new exhibit, "American Stories," at the Smithsonian National Museum of American History in Washington, Wednesday, April 11, 2012. The National ...

Each amendment to the U.S. Constitution tells a story about the challenges and priorities of its era. In this video, explore a timeline showing when and how each amendment was ratified, offering ...

WASHINGTON (AP) -- Dorothy's ruby slippers from "The Wizard of Oz" have a new home with a diverse set of artifacts in a new timeline of American history that includes a piece of Plymouth Rock, a slave ...