MONTGOMERY, Ala. (AP) — The U.S. is set to mark Martin Luther King Jr. Day, the federal holiday set aside to honor the life of the civil rights icon. But in Alabama and Mississippi, Monday is also Robert E. Lee Day in honor of the Confederate general.

Every year we honor the legacy of Martin Luther King Jr. in January. Here's everything you need to know about the holiday.

The Anthony, Canutillo, Clint, El Paso, Gadsden, Fabens, Ysleta and Socorro independent school districts will be closed for the holiday, as well as Texas Tech University Health Sciences Center El Paso and the University of Texas at El Paso.