History of Transylvania issue of international contention. This has abated (but not disappeared) since the Revolution of 1989 restored democracy in Romania. Transylvania retains a significant Hungarian-speaking minority, slightly less than half of which identify themselves as Székely. Ethnic Germans in Transylvania (known as Saxons) comprise about one percent of the population; however, Austrian and German influences remain in the architecture and urban landscape of much of Transylvania. The region's history may be traced through the religions of its inhabitants. Most Romanians in Transylvania belong to the Eastern Orthodox Church faith, but from the 18th to the 20th centuries the Romanian Greek-Catholic Church
Celts in Transylvania found in Mediaș, Moreşti, (Mureş County) and Ciumeşti. Expansion of Celtic groups in the area may be related to their invasion of the Balkans around 335 BC, when a massive colonization of the Tisa plain and the Transylvanian Plateau occurred following the death of Lysimachus. However, the eastward movement of the Celts into Transylvania used a different route from the one taken by the hordes that attacked the Balkans. Celts did not occupy all intra-Carpathian areas of Transylvania, stopping short of the Maramureş Depression for instance, where excavations have uncovered Dacian fortifications from the 4th and 3rd centuries BC. As