Whakakiia te rerenga e whai ake nei: Ko te whakahua hitori tuatahi o Schliengen i te tau 820. I mua ko te rangatira-pihopa o Basel. I te tau 1796, ko Schliengen te waahi o te pakanga i waenga i te ope French i whakahaua e Jean Victor Marie Moreau me te
Ko te ope taua i whakahaua e Archduke Charles o Austria. I muri i te secularization i hua o te Tiamana Mediatisation () o 1803, Schliengen ka riro i te wahi o te Grand Duchy o Baden. I tae tuatahi te rerewe ki Schliengen i te 15 Pipiri 1847 i te wa i oti ai te ara ki Müllheim. Ko Schliengen he wāhanga o te rohe o Lörrach, engari kua riro hei wāhanga o te rohe o Lörrach mai i te 1973.