Complex sentence: During the French Revolutionary Wars and the Napoleonic Wars, the regiment fought in the battles of Valmy, Marengo, Austerlitz, Jena, Eylau, Heilsberg and Friedland.
Split into simpler sentences: During the French Revolutionary Wars and the Napoleonic Wars, the regiment fought in the battles of Valmy, Marengo. It took part in the Austerlitz, Jena, Eylau, Heilsberg and Friedland.