Complex sentence: Pi Beta Phi was founded on April 28,1867, at Monmouth College, in Monmouth, Illinois, by twelve female students who wished to enjoy the benefits of a secret society similar to those formed by collegiate men.
Split into simpler sentences: Pi Beta Phi was founded on April 28,1867 at Monmouth College in Monmouth, Illinois. It began when twelve female students wished to enjoy the benefits of a secret society similar to those formed by collegiate men.