<a href="https://en.wikipedia.org/wiki/Pope_Pius_IV" id="mwtQ" rel="mw:WikiLink" title="Pope Pius IV">Pope Pius IV</a> is <a href="https://en.wikipedia.org/wiki/1559_papal_conclave" id="mwtg" rel="mw:WikiLink" title="1559 papal conclave">elected</a>, four months after his predecessor's death.<sup about="#mwt100" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-18"}}' id="cite_ref-18" rel="dc:references" typeof="mw:Extension/ref"><a href="./December_25#cite_note-18" id="mwtw" style="counter-reset: mw-Ref 18;"><span class="mw-reflink-text" id="mwuA">[18]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-18"><cite about="#mwt97" class="citation encyclopaedia cs1" id="mwCOc"><a class="external text" href="https://www.britannica.com/biography/Pius-IV" id="mwCOg" rel="mw:ExtLink nofollow">"Pius IV"</a>. <i id="mwCOk">Britannica Online</i>. 5 December 2023.</cite><span about="#mwt97" class="Z3988" id="mwCOo" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.atitle=Pius+IV&amp;rft.btitle=Britannica+Online&amp;rft.date=2023-12-05&amp;rft_id=https%3A%2F%2Fwww.britannica.com%2Fbiography%2FPius-IV&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecember+25"></span></span>