Complex sentence: In 1813 he joined the Saxon Army as chaplain during the Napoleonic Wars, returning to Leipzig in 1815, where he served as archdeacon of St. Thomas Church and superintendent of the Diocese of Leipzig.
Split into simpler sentences: In 1813 he joined the Saxon Army as a chaplain during the Napoleonic Wars. He returned to Leipzig the following year, and subsequently became archdeacon of St. Thomas Church and superintendent of the Diocese of Leipzig.