Complex sentence: In 993, Pope John XV became the first pope to proclaim a person a "saint": on the petition of the German ruler, he canonized Bishop Ulrich of Augsburg on 31 January 993.
Split into simpler sentences: In 993, Pope John XV was the first pope to proclaim a saint. At the request of the German ruler, he canonized Bishop Ulrich of Augsburg on 31 January 993.