English summary: In 1813, after the Battle of Hanau, hundreds of thousands of soldiers marched through the Rhine-Main region. Thousands died of exhaustion and plagues. For the first time, Napoleonic mass graves have been archaeologically excavated and scientifically examined, with impressive results. In 1813, after Emperor Napoleon's disastrous Russian campaign, the 'Retirade', the retreat of the French troops to the west, began. Their...