Complex sentence: Paul Cartledge, professor of Greek culture, noted that the film contains several historical errors, most notably that Darius I did not die as depicted, and that Artemisia was not the commander the Persian fleet at the Battle of Salamis.
Split into simpler sentences: Paul Cartledge, professor of Greek culture, noted that the film contains historical errors. Among others, that Darius I did not die as depicted, and that Artemisia did not command the persian fleet at the Battle of Salamis.