The Battle of Teutoburg. Reappraisal of one of the most famous battles of the ancient period. A significant defeat for Rome with far-reaching strategic consequences, a major setback to Roman expansion. The German leader, Arminius, the mastermind behind this large-scale ambush has sometimes been presented as a German national hero. Arminius was a former Roman auxiliary his betrayal adds to the human interest of these events Draws on up-to-date research and archaeological investigation on the location and course of the fighting.