State government offices in Mississippi, Alabama and Georgia will be closed Monday for Confederate Memorial Day.
The holiday has been observed for decades, although there are only a few ceremonies in each state.
Critics say it's time to rethink the practice of recognizing the Old South.
Mississippi NAACP president Derrick Johnson says Confederate
Memorial Day is "an affront" to people whose ancestors were
But the Alabama commander of the Sons of Confederate Veterans,
Robert Reames, says it's proper to recognize the sacrifices of people he believes "legally seceded from the United States."
Other southern states, from South Carolina to Texas, have different holidays to honor the Confederacy.