Ettlingen was an important crossroads during Roman times, when the region was part of the province of Germania Superior. This is demonstrated by the many artifacts found in the area, including the "Neptune Stone," which commemorates a flood of the Rhine, and the remains of a Roman bath excavated beneath St. Martin's Church. The town was first mentioned in 788 as "Ediningom" in a deed of donation belonging to Weissenburg Abbey in Alsace (now in France). In 965, the village of Ettlingen ("Ediningom") received market rights (Marktrecht) from Emperor Otto the Great. In 1192, Emperor Henry VI, one of Frederick Barbarossa's sons. Margrave Herman V of Baden-Baden became Ettlingen's feudal lord in 1219. In the following centuries, Ettlingen developed into an important administrative centre within the Margraviate of Baden-Baden.
