Complex sentence: Hans Sachs is the subject of an opera (1840) by Albert Lortzing, and a leading character in Richard Wagner's opera "Die Meistersinger von Nürnberg" (1868).
Split into simpler sentences: Hans Sachs is the subject of an opera (1840) by Albert Lortzing. He is a leading character in Richard Wagner's opera "Die Meistersinger von Nürnberg" (1868).