Emperor <a href="https://en.wikipedia.org/wiki/Heraclius" id="mwFw" rel="mw:WikiLink" title="Heraclius">Heraclius</a> enters <a href="https://en.wikipedia.org/wiki/Constantinople" id="mwGA" rel="mw:WikiLink" title="Constantinople">Constantinople</a> in triumph after his victory over the <a href="https://en.wikipedia.org/wiki/Sasanian_Empire" id="mwGQ" rel="mw:WikiLink" title="Sasanian Empire">Persian Empire</a>.