'Marshal Louis-Alexandre Berthier - Prince of Neufchatel and of Wagram', 1796, (1896). Louis-Alexandre Berthier (1753-1815), 1st Prince of Wagram, Sovereign Prince of Neuch?tel, was a French Marshal and Vice-Constable of the Empire, and Chief of Staff under Napoleon. The Battle of Lodi was fought on 10 May 1796 between the French and the Austrians at Lodi, Lombardy, Italy. Engraving after the painting, 'Portrait de Louis-Alexandre Berthier au pont de Lodi le 10 mai 1796', by Antoine-Jean Gros. From Life of Napoleon Bonaparte, Volume II, by William Milligan Sloane. [The Century Co., Macmillan & Co., Limited, New York & London, 1896]