AN ACT TO AMEND SECTION 3-3-7, MISSISSIPPI CODE OF 1972, TO EXCLUSIVELY RECOGNIZE DR. MARTIN LUTHER KING, JR.'S BIRTHDAY ON THE THIRD MONDAY OF JANUARY; TO OBSERVE ROBERT E. LEE'S BIRTHDAY ON THE SAME DAY AS CONFEDERATE MEMORIAL DAY; TO REMOVE CONFEDERATE MEMORIAL DAY AS A LEGAL STATE HOLIDAY; AND FOR RELATED PURPOSES.