Complex sentence: Radboud University Nijmegen was established in 1923 as the Katholieke Universiteit Nijmegen, or Catholic University of Nijmegen, and started out with 27 professors and 189 students.
Split into simpler sentences: Radboud University Nijmegen was established in 1923 as the Katholieke Universiteit Nijmegen, or Catholic University of Nijmegen. It started with 27 professors and 189 students.