Complex sentence: He was appointed abbott of St. Peter-Muenster April 6 1960 and confirmed June 28 1960, abbot Jermoe weber retired from St. Peter-Muenster on June 15,1990.
Split into simpler sentences: He was appointed abbott of St. Peter-Muenster April 6 1960 and confirmed June 28 1960. Abbot Jerome Weber retired from St. Peter-Muenster on June 15,1990.