Complex sentence: On 1 July 1989 when Pope John Paul II named Tettamanzi archbishop of Ancona-Osimo, he received his episcopal consecration from Jesuit Cardinal Carlo Maria Martini at the cathedral on the following 23 September.
Split into simpler sentences: On 1 July 1989 when Pope John Paul II named Tettamanzi archbishop of Ancona-Osimo. He received his episcopal consecration from Jesuit Cardinal Carlo Maria Martini at the cathedral on the following 23 September.