Emperor <a href="https://en.wikipedia.org/wiki/Marcus_Aurelius" id="mwGA" rel="mw:WikiLink" title="Marcus Aurelius">Marcus Aurelius</a> grants his son <a href="https://en.wikipedia.org/wiki/Commodus" id="mwGQ" rel="mw:WikiLink" title="Commodus">Commodus</a> the rank of "<a href="https://en.wikipedia.org/wiki/Imperator" id="mwGg" rel="mw:WikiLink" title="Imperator">Imperator</a>" and makes him Supreme Commander of the <a href="https://en.wikipedia.org/wiki/Roman_legion" id="mwGw" rel="mw:WikiLink" title="Roman legion">Roman legions</a>.