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 representatives, 36 U.S. governors, one Confederate President, and 34 U.S. ambassadors, making it a large producer of U.S. statesmen. Its medical program graduated 8,000 physicians by 1859. Its enduring footprint, both in national and Southern academia, makes it among the most prolific cultural establishments and the most storied institutions in the South. Transylvania was the first college west of the Allegheny Mountains, and was named for the Colony of Transylvania, Latin for "across the woods", which aimed to educate good citizens. Thomas Jefferson was governor of Virginia when the Virginia Assembly chartered Transylvania Seminary in 1780. Called Transylvania University by