STATEN ISLAND, N.Y. — On the third Monday in January, Americans celebrate Martin Luther King Jr. Day, in honor of one of the most prominent leaders in the civil rights movement.

Federal and state offices, banks, as well as postal and trash services will be closed or suspended Monday. Here’s what else you should know.

The U.S. is marking Martin Luther King Day, a federal holiday. But in Alabama and Mississippi, it's also Robert E. Lee Day, in honor of the Confederate general.