<a class="mw-redirect" href="https://en.wikipedia.org/wiki/Thirteen_Years'_War_(1454–66)" id="mwNQ" rel="mw:WikiLink" title="Thirteen Years' War (1454–66)">Thirteen Years' War</a>: Delegates of the <a href="https://en.wikipedia.org/wiki/Prussian_Confederation" id="mwNg" rel="mw:WikiLink" title="Prussian Confederation">Prussian Confederation</a> pledge allegiance to King <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Casimir_IV_of_Poland" id="mwNw" rel="mw:WikiLink" title="Casimir IV of Poland">Casimir IV of Poland</a> who agrees to commit his forces in aiding the Confederation's struggle for <a href="https://en.wikipedia.org/wiki/Independence" id="mwOA" rel="mw:WikiLink" title="Independence">independence</a> from the <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Teutonic_Knights" id="mwOQ" rel="mw:WikiLink" title="Teutonic Knights">Teutonic Knights</a>.