Celts in Transylvania southeastern Transylvania, the Banat and Oltenia regions of modern Romania but excluded the rest of Dacia. The presence of Celts here is mainly illustrated by the composition of both the legions and cohorts. Legio XIII Gemina came from the Celtic zone of Vindabona and contained some Celtic elements. Troops from Roman Celtic and Germanic provinces were the most numerous of the auxiliary troops. (See also List of Roman auxiliary regiments) The several cohorts and alae Gallorum attested in diplomas and inscriptions reveal the large number of Gauls who were recruited by Romans, some of whom were moved to Transylvania (i.e.
History of Transylvania organization of the Transylvanian Catholic episcopacy (with Gyulafehérvár as its seat), which was finished in 1009 when the bishop of Ostia (as papal legate) visited Stephen and they approved diocesan divisions and boundaries. In 1018 Stephen defeated Ahtum, ruler of the country around the lower Mureș River. According to the "Chronicon Pictum", Stephen I also defeated the legendary Kean (a ruler in southern Transylvania of Bulgarians and Slavs). During the 12th century, the Székelys were brought to eastern and southeastern Transylvania as border guards. In the 12th and 13th centuries, the areas in the south and northeast were settled by