French School, (19th century); French. Medium: colour engraving. Date: 19th Century. Victory of the French army commanded by General Jean-Baptiste Jourdan (1762-1833) over the coalition forces of England, Hanover and Austria under the command of the Austrian general, Prince Josias von Saxe-Coburg (1737-1815); French use of observation balloon 'L'Entreprenant' was first military use of aircraft in warfare and decisive contribution to the French success; Imagerie de Metz; Provenance: Bibliotheque Nationale, Paris, France / Giraudon. Photographic Rights The Bridgeman Art Library.