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.
Transylvania Castle in Braşov County (14th century), the Hunyad Castle in Hunedoara (15th century). Notable writers such as Emil Cioran, Lucian Blaga, George Coșbuc, Octavian Goga and Liviu Rebreanu were born in Transylvania. The latter wrote the novel "Ion", which introduces the reader to a depiction of the life of the peasants and intellectuals of Transylvania at the turn of the 20th century. Transylvania has a very rich and unique religious history from the other regions of Europe. Since the Protestant Reformation, different Christian denominations coexist in this religious melting pot, including Romanian Orthodox, Romanian Greek Catholic, other Eastern Orthodox, Roman