Complex sentence: Wesleyan College is the birthplace of the first sororities: the Adelphean Society in 1851, now known as Alpha Delta Pi and the Philomathean Society not associated with the Philomathean Society of the University of Pennsylvania in 1852, now known as Phi Mu.
Split into simpler sentences: Wesleyan College is the birthplace of the first sororities: the Adelphean Society in 1851, now known as Alpha Delta Pi. It is the birthplace of the Philomathean Society not associated with the Philomathean Society of the University of Pennsylvania in 1852, now known as Phi Mu.