SHERMAN’S MARCH, premiering Sunday, April 22 at 9:00 p.m. ET/PT Known affectionately as “Uncle Billy” by Union soldiers, but reviled in the South as a brutal war criminal, General William Tecumseh Sherman is one of the truly enigmatic and complex figures in the American pantheon. His legacy, built during a five-week campaign of terror and destruction, ranks as one of the most daring endeavors in U.S. military history.