Complex sentence: Traditionally, Wilfred Laurier University's night is on Thursday and University of Waterloo's is on the Friday of the second weekend, however both nights attract students from both schools, as well as other nearby colleges.
Split into simpler sentences: Traditionally, Wilfred Laurier University's night is on Thursday and University of Waterloo's is on the Friday of the second weekend. However both nights attract students from both schools, as well as other nearby colleges.