The Jagiellonian University is the oldest higher education institution in Poland and one of the oldest in Europe. It was founded on 12 May 1364 by the Polish king Casimir the Great. Since its very beginning, the Jagiellonian University has been an international institution. Poles, Ruthenians, Lithuanians, Hungarians, Germans, Czechs, the Swiss, the English, the Dutch, the French the Spanish, Italians, and even Tatars studied here in the old days. Today it serves 36,000 undergrads and around 6,000 graduate and post-graduate students, and has a law school, medical school and many other graduate faculties.