Transylvania as originally defined in Treaty of Trianon, 27 years earlier, thus confirming the return of Northern Transylvania to Romania. From 1947 to 1989, Transylvania, along with the rest of Romania, was under a communist regime. The ethnic clashes of Târgu Mureș occurred between ethnic Romanians and Hungarians in March 1990 after the fall of the communist regime and became most notable inter-ethnic incident in the post-communist era. The Transylvanian Plateau, high, is drained by the Mureș, Someș, Criș, and Olt rivers, as well as other tributaries of the Danube. This core of historical Transylvania roughly corresponds with nine counties of
Transylvania Colony Transylvania Colony The Transylvania Colony, also referred to as the Transylvania Purchase, was a short-lived, extra-legal colony founded during 1775 by land speculator Richard Henderson, who controlled the North Carolina-based Transylvania Company. Henderson and his investors had reached an agreement to purchase a vast tract of Cherokee lands west of the southern and central Appalachian Mountains through the acceptance of Treaty of Sycamore Shoals with most leading Cherokee chieftains then controlling these lands. To further complicate matters, this early American frontier land was also claimed at the same time by both the Province of Virginia (particularly following Lord Dunmore's War)