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 University 1903, Hamilton College, a Lexington-based women's college founded in 1869, merged into Kentucky University. Due to confusion between Kentucky University and its daughter institution, the University of Kentucky, the institution was renamed "Transylvania University," in 1908. In 1988, Transylvania University experienced an infringement on the institution's trademark when Hallmark Cards began selling Transylvania University T-shirts. The product, developed for the 1988 Halloween season, was intended to be a novelty item purporting to be college wear from the fictional Count Dracula's "alma mater". When contacted by Transylvania University, Hallmark admitted that they were not aware of the Kentucky-based institution and recalled