▁Eastern ▁Ga ul , ▁others ▁are ▁of ▁the ▁Zürich ▁type , ▁that ▁were ▁assigned ▁to ▁the ▁local ▁Hel vet ii , ▁which ▁date ▁to ▁around ▁ 1 0 0 ▁BC . ▁The ▁find ▁is ▁so ▁far ▁unique , ▁and ▁the ▁scientific ▁research ▁assumes ▁that ▁the ▁mel ting ▁down ▁of ▁the ▁l ump ▁was ▁not ▁completed , ▁therefore ▁the ▁aim ▁was ▁to ▁form ▁cult ic ▁offer ings . ▁The ▁site ▁of ▁the ▁find ▁was ▁at ▁that ▁time ▁at ▁least ▁ ▁from ▁the ▁lake ▁shore , ▁and ▁probably ▁ ▁to ▁three ▁meters ▁deep ▁in ▁the ▁water . ▁There ' s ▁also ▁an ▁island ▁san ctu ary ▁of ▁the ▁Hel vet ii ▁in ▁connection ▁with ▁the ▁settlement ▁at ▁the ▁preceding ▁O pp idi ▁U et li berg ▁on ▁the ▁former ▁Gros ser ▁H af ner ▁island , ▁as ▁well ▁as ▁the ▁settlement ▁Kle iner ▁H af ner ▁at ▁the ▁Se chsel ä uten ▁square ▁on ▁the ▁eff lu ence ▁of ▁the ▁Lim mat ▁on ▁Zürich see ▁lake ▁shore . ▁ ▁First ▁contact ▁with ▁the ▁Rom ans ▁▁ ▁The ▁German ic ▁tribes ▁of ▁the ▁C imb ri ▁and ▁Am br ones ▁probably ▁reached ▁southern ▁Germany ▁around ▁the ▁year ▁ 1 1 1 ▁BC , ▁where ▁they ▁were ▁joined ▁by ▁the ▁Tig ur ini , ▁and , ▁probably ▁the ▁Te ut oni - T out ono i - To y gen oi . ▁( The ▁precise ▁identity ▁of ▁the ▁latter ▁group ▁is ▁unclear ). ▁ ▁The ▁tribes ▁began ▁a ▁joint ▁invasion ▁of ▁Ga ul , ▁including ▁the ▁Roman