The Battle of Leipzig, 19 October 1813, (1921). 'La Bataille des Nations pr?s de Leipzig'. The Battle of Leipzig, also known as the Battle of the Nations, was fought from 16 to 19 October 1813, at Leipzig, Saxony. The French army under Emperor Napoleon I were decisively defeated by the coalition armies of Russia, Prussia, Austria, and Sweden. It was the largest battle in Europe prior to World War I, with approximately 500,000 soldiers. Engraving after Johann Lorenz Rugendas II. From "Napoleon", by Raymond Guyot, [H. Floury, Paris, 1921]