History of Transylvania Transylvania. The Second Vienna Award was voided by the Allied Commission through the Armistice Agreement with Romania (September 12, 1944) whose Article 19 stipulated the following: The 1947 Treaty of Paris reaffirmed the borders between Romania and Hungary, as originally defined in Treaty of Trianon, 27 years earlier, thus confirming the return of Northern Transylvania to Romania. From 1947 to 1989, Transylvania, as the rest of Romania, was under a communist regime. Today, "Transylvania proper" is included within the Romanian counties ("județe") of Alba, Bistrița-Năsăud, Brașov, Cluj, Covasna, Harghita, Hunedoara, Mureș, Sălaj and Sibiu. In addition to Transylvania proper, modern
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