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 ...

Presents a timeline of American history from 1500 to the current decade, with images from the collections and exhibitions of the National Museum of American History of the Smithsonian Institution.

The BriefThe Tampa Bay History Center has opened a new exhibit called "Tampa Bay Timeline" that explores more than 14,000 ...