Complex sentence: He moved with his parents to Montville, Maine, in 1838; was graduated from the Maine Wesleyan Seminary at Readfield in 1846; taught school for a short time, and subsequently engaged in lumbering for one year.
Split into simpler sentences: He moved with his parents to Montville, Maine, in 1838; graduated from the Maine Wesleyan Seminary at Readfield in 1846. He taught school for a short time, and subsequently engaged in lumbering for one year.