Not only was Varus' trust in Arminius a terrible misjudgement, but Varus compounded it by placing his legions in a position where their fighting strengths would be minimized and those of the Germanic tribesmen maximized – because he expected no ambush and very little trouble in intimidating the rebels. Arminius and the Cherusci tribe along with other allies, had skillfully laid an ambush, and in the Battle of the Teutoburg Forest in September at Kalkriese (East of modern Osnabrück), the Romans marched right into it.