The battle of Teutoburg Forrest is remembered for the near total annihilation in AD 9 of Varus and his army consisting of Legions XVII, XVIII, and XIX by Arminius and his alliance of Germanic tribes. This study confirms the base camp and fate of Legion XIX.
https://www.heritagedaily.com/2022/12/metallurgical-fingerprint-points-to-lost-roman-legion/145436?fbclid=IwAR2FZgJgoatagfPVH5Q2mXPVL_mF-mk1-KPMV36fSBx_uPxwwY_g3uQmJrM&