The <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Principality_of_Transylvania_(1570-1711)" id="mwMw" rel="mw:WikiLink" title="Principality of Transylvania (1570-1711)">Principality of Transylvania</a> is established after <a class="mw-redirect" href="https://en.wikipedia.org/wiki/John_II_Zápolya" id="mwNA" rel="mw:WikiLink" title="John II Zápolya">John II Zápolya</a> renounces his claim as <a href="https://en.wikipedia.org/wiki/King_of_Hungary" id="mwNQ" rel="mw:WikiLink" title="King of Hungary">King of Hungary</a> in the <a href="https://en.wikipedia.org/wiki/Treaty_of_Speyer_(1570)" id="mwNg" rel="mw:WikiLink" title="Treaty of Speyer (1570)">Treaty of Speyer</a>.<sup about="#mwt22" class="mw-ref reference" data-mw='{"name":"ref","attrs":{"name":"MacCulloch"},"body":{"id":"mw-reference-text-cite_note-MacCulloch-3"}}' id="cite_ref-MacCulloch_3-0" rel="dc:references" typeof="mw:Extension/ref"><a href="./August_16#cite_note-MacCulloch-3" id="mwNw" style="counter-reset: mw-Ref 3;"><span class="mw-reflink-text" id="mwOA">[3]</span></a></sup>