▁Provin cia ▁Nar bon ensis , ▁which ▁led ▁to ▁the ▁Tig ur ini ’ s ▁victory ▁over ▁a ▁Roman ▁army ▁under ▁L . ▁Cass ius ▁Long inus ▁near ▁Ag end icum ▁in ▁ 1 0 7 ▁BC , ▁in ▁which ▁the ▁cons ul ▁was ▁killed . ▁According ▁to ▁Ca esar , ▁the ▁captured ▁Roman ▁soldiers ▁were ▁ordered ▁to ▁pass ▁through ▁under ▁a ▁y oke ▁set ▁up ▁by ▁the ▁triumph ant ▁Ga uls , ▁a ▁d ish on our ▁that ▁called ▁for ▁both ▁public ▁as ▁well ▁as ▁private ▁ven ge ance . ▁Ca esar ▁is ▁the ▁only ▁narr ative ▁source ▁for ▁this ▁episode , ▁as ▁the ▁corresponding ▁books ▁of ▁Liv y ’ s ▁histor ies ▁are ▁preserved ▁only ▁in ▁the ▁Per io ch ae , ▁short ▁summar ising ▁lists ▁of ▁contents , ▁in ▁which ▁host ages ▁given ▁by ▁the ▁Rom ans , ▁but ▁no ▁y oke , ▁are ▁mentioned . ▁ ▁In ▁ 1 0 5 ▁BC , ▁the ▁al lies ▁defeated ▁another ▁Roman ▁army ▁near ▁Ara us io , ▁and ▁went ▁on ▁to ▁har ry ▁Spain , ▁Ga ul , ▁Nor icum , ▁and ▁northern ▁Italy . ▁They ▁split ▁up ▁in ▁two ▁groups ▁in ▁ 1 0 3 ▁BC , ▁with ▁the ▁Te ut ones ▁and ▁Am br ones ▁march ing ▁on ▁a ▁western ▁route ▁through ▁the ▁Provin cia ▁and ▁the ▁C imb ri ▁and ▁Tig ur ini ▁crossing ▁the ▁eastern ▁Al ps ▁( pro bably ▁by ▁the ▁B ren ner ▁Pass ). ▁While ▁the ▁Te ut ones ▁and ▁Am br ones ▁were