The Little Bighorn in Montana is the site of one of the most famous battles in the history of the American West. For more than a century, flamboyant General George Armstrong Custer has been remembered for his "last stand", when he gave his life defending his troops against native American attack. But as this programme reveals, thanks to long-ignored testimony and archaeological evidence, historians are now dramatically re-evaluating the battle and the myths surrounding it that persist to this day.