sentences:  When the archdiocese of Washington was split from the archdiocese of Baltimore on November 15, 1947, with separate archbishops being appointed for them, Hannan became a priest of the Archdiocese of Washington and in 1948 was appointed vice chancellor of that archdiocese.In 1951, Hannan established the "Catholic Standard" in Washington and served as its editor-in-chief.Later that same year he was named chancellor of the archdiocese, and Pope Pius XII honored Father Hannan in 1952 by naming him a monsignor.