What Is The Longest-Running American Sitcom?

The Simpsons
It's Always Sunny in Philadelphia
Family Guy
The Adventures of Ozzie and Harriet

Did You Know!

One lesser-known fact about Tennessee: the state is home to the only monument in the United States officially dedicated to both Union and Confederate soldiers from the Civil War—the Greeneville Greene County Veterans Memorial area reflects Tennessee’s unusually divided Civil War history, when many residents in East Tennessee remained strongly pro-Union even after the state joined the Confederacy.