Complex sentence: In 1903, undergraduate liberal arts education resumed at Washington Square with the development of the "Collegiate Division," which in 1913 became Washington Square College, another predecessor college to CAS that existed for 60 years.
Split into simpler sentences: In 1903, undergraduate liberal arts education resumed at Washington Square with the development of the "Collegiate Division". In 1913, the "Collegiate Division" became Washington Square College which was another predecessor college to CAS that existed for 60 years.