Peace of Szeged
...that ten days before the ratification of the Peace of Szeged, Vladislaus, King of Hungary, swore an oath which invalidated it and all future treaties with the Ottoman Empire?
...that ten days before the ratification of the <b id="mwBFk"><a href="./Peace_of_Szeged" id="mwBFo" rel="mw:WikiLink" title="Peace of Szeged">Peace of Szeged</a></b>, <a href="./Władysław_III_of_Poland" id="mwBFs" rel="mw:WikiLink" title="Władysław III of Poland">Vladislaus</a>, King of <a href="./Kingdom_of_Hungary" id="mwBFw" rel="mw:WikiLink" title="Kingdom of Hungary">Hungary</a>, swore an oath which invalidated it and all future treaties with the <a href="./Ottoman_Empire" id="mwBF0" rel="mw:WikiLink" title="Ottoman Empire">Ottoman Empire</a>?