Complex sentence: On May 10,2005, Madden was appointed Auxiliary Bishop of Baltimore and Titular Bishop of "Baia" by Pope Benedict XVI; he was that pope's first episcopal appointment in the United States.
Split into simpler sentences: On May 10,2005, Madden was appointed Auxiliary Bishop of Baltimore and Titular Bishop of "Baia" by Pope Benedict XVI. He was that pope's first episcopal appointment in the United States.