<a href="https://en.wikipedia.org/wiki/Diocletian" id="mwHg" rel="mw:WikiLink" title="Diocletian">Diocletian</a> appoints <a href="https://en.wikipedia.org/wiki/Maximian" id="mwHw" rel="mw:WikiLink" title="Maximian">Maximian</a> as <a href="https://en.wikipedia.org/wiki/Caesar_(title)" id="mwIA" rel="mw:WikiLink" title="Caesar (title)">Caesar</a> and co-ruler.