On February 26, 1815, Napoleon, exiled Emperor of France--now dressed in a simple green uniform as Colonel of the Grenadiers--stepped aboard the brig L'Inconstant to the wildly enthusiastic cheers of his Elban subjects. Three days later, having barely avoided a British warship and a French naval vessel loyal to the Crown, the L'Inconstant traded the white flag of Elba for the French Tricolor as the rocky coast of the Cap d'Antibes came into view...