erzingen was already mentioned as "villa arcingen" in an 876 deed, a swabian possession held by the benedictie abbey of rheinau. in 1486 it was occupied by the forces of the old swiss confederacy on a campaign into the landgraviate of klettgau. the immediate landgraviate was inherited by the house of schwarzenberg in 1687 with their residence in tiengen, and elevated to a principality by emperor leopold i in 1694. after the schwarzenberg landgraviate was mediatised in 1806, the lordship fell to the grand duchy of baden in 1812.