Complex sentence: Marcus Aurelius died at Vindobona (a Roman camp on the site of modern-day Vienna in Austria) in 180 AD; he was not murdered by his son Commodus following the final battle of the Marcomannic Wars.
Split into simpler sentences: Marcus Aurelius died at Vindobona (a Roman camp on the site of modern-day Vienna in Austria) in 180 AD. He was not murdered by his son Commodus following the final battle of the Marcomannic Wars.