The <a href="https://en.wikipedia.org/wiki/Roman_emperor" id="mwEQ" rel="mw:WikiLink" title="Roman emperor">Roman emperor</a> <a href="https://en.wikipedia.org/wiki/Julian_(emperor)" id="mwEg" rel="mw:WikiLink" title="Julian (emperor)">Julian</a> defeats the <a href="https://en.wikipedia.org/wiki/Military_of_the_Sasanian_Empire" id="mwEw" rel="mw:WikiLink" title="Military of the Sasanian Empire">Sasanian army</a> in the <a href="https://en.wikipedia.org/wiki/Battle_of_Ctesiphon_(363)" id="mwFA" rel="mw:WikiLink" title="Battle of Ctesiphon (363)">Battle of Ctesiphon</a>, under the walls of the <a href="https://en.wikipedia.org/wiki/Sasanian_Empire" id="mwFQ" rel="mw:WikiLink" title="Sasanian Empire">Sasanian</a> capital, but is unable to take the city.