Complex sentence: In 1966, the university was established as a university called Rissho Women's University and the Koshigaya Campus was established in Koshigaya-city, Saitama-prefecture, Japan.
Split into simpler sentences: In 1966, It was established as a university called Rissho Women's University. And the Koshigaya Campus was established in Koshigaya-city, Saitama-prefecture, Japan.