Complex sentence: The Nanovic Institute was first established in 1993 as a center for European studies, which offered lectures, seminars, conferences, and a Minor for European Studies for undergraduates at the University of Notre Dame.
Split into simpler sentences: The Nanovic Institute was established in 1993 as a center for European studies. The center offered lectures, seminars, conferences and a Minor for European Studies for undergraduates at the University of Notre Dame.