Complex sentence: Her teaching career and her own studies ended when she married Almanzo Wilder, whom she called Manly, on August 25,1885, when she was eighteen and he was twenty-eight.
Split into simpler sentences: Her teaching career and her own studies ended when she married Almanzo Wilder, whom she called Manly, on August 25,1885. The couple wed when she was eighteen and he was twenty-eight.