 Between 1793 and 1800 it was part of the Département of Mont-Terrible and then in 1800-1814 it was part of the Département of Haut-Rhin.Unlike most of the villages in the Birseck region, Allschwil reacted negatively to French rule, and even had a small rebellion in 1794.In 1815 Allschwil became part of the Canton of Basel and when the canton split in 1833, it became part of the new canton of Basel-Country.