Petrič Fortress
... that King of Serbia Stefan Dečanski fled to Petrič Fortress when his son Stefan Dušan tried to overthrow him in 1331?
... that <a class="mw-redirect" href="./King_of_Serbia" id="mwApw" rel="mw:WikiLink" title="King of Serbia">King of Serbia</a> <a href="./Stefan_Dečanski" id="mwAp0" rel="mw:WikiLink" title="Stefan Dečanski">Stefan Dečanski</a> fled to <b id="mwAp4"><a href="./Petrič_Fortress" id="mwAp8" rel="mw:WikiLink" title="Petrič Fortress">Petrič Fortress</a></b> when his son <a href="./Stefan_Dušan" id="mwAqA" rel="mw:WikiLink" title="Stefan Dušan">Stefan Dušan</a> tried to overthrow him in 1331?