Both honor U.S. military personnel—but the holidays arose for different reasons.

The African American track star hardly derailed Nazi plans for global disruption, but Jesse Owens did emerge as the standout figure of the Fuhrer's signature Olympic Games.

Here are some of the essential items that typical doughboys carried with them on the battlefields of World War I.

Workers completed the 102-story, Art Deco-style landmark in an astonishing one year and 45 days.

An 18th-century sign language in France helped inspire an American version that developed through collaboration among the Deaf community.

In the late 1920s, astronomer Edwin Hubble pointed a mountaintop telescope at distant clusters in the night sky, and made a startling observation.