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
Early German colonists in Transylvania Early German colonists in Transylvania Medardus de Nympz is the Latinized name of Medard zu Nimesch, an early medieval German colonist in Transylvania. Born around 1215 in the Moselle Franconian area of Luccelemburc (Luxembourg), Medardus served during his early years as a "squire" (Edelknecht) in the Horseman Entourage of the Holy Roman Emperor Frederick II. In 1237 Medardus was appointed a Knight of the Holy Roman Empire in recognition of his valiant services at the Battle of Cortenuova. In 1243 Medardus followed the invitation of the Hungarian King Bela IV to settle in Transylvania (ad retinendam coronam), which had been