<a href="https://en.wikipedia.org/wiki/Pope_Boniface_VIII" id="mwPQ" rel="mw:WikiLink" title="Pope Boniface VIII">Pope Boniface VIII</a> issues the <a href="https://en.wikipedia.org/wiki/Papal_bull" id="mwPg" rel="mw:WikiLink" title="Papal bull">Papal bull</a> <i id="mwPw"><a href="https://en.wikipedia.org/wiki/Unam_sanctam" id="mwQA" rel="mw:WikiLink" title="Unam sanctam">Unam sanctam</a></i>, claiming spiritual supremacy for the papacy.<sup about="#mwt52" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-6"}}' id="cite_ref-6" rel="dc:references" typeof="mw:Extension/ref"><a href="./November_18#cite_note-6" id="mwQQ" style="counter-reset: mw-Ref 6;"><span class="mw-reflink-text" id="mwQg">[6]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-6"><cite about="#mwt49" class="citation book cs1" id="CITEREFAlzog1907">Alzog, Johannes (1907). <a class="external text" href="https://books.google.com/books?id=B-YpAQAAIAAJ" id="mwB1g" rel="mw:ExtLink nofollow"><i id="mwB1k">Manual of Universal Church History. Volume II</i></a>. Translated by Pabisch, F.J.; Byrne, Thomas S. Dublin: M.H. Gill &amp; Son. p.<span id="mwB1o" typeof="mw:Entity"> </span>448. <a class="mw-redirect" href="./OCLC_(identifier)" id="mwB1s" rel="mw:WikiLink" title="OCLC (identifier)">OCLC</a><span id="mwB1w" typeof="mw:Entity"> </span><a class="external text" href="https://www.worldcat.org/oclc/28285304" id="mwB10" rel="mw:ExtLink nofollow">28285304</a>.</cite><span about="#mwt49" class="Z3988" id="mwB14" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Manual+of+Universal+Church+History.+Volume+II&amp;rft.place=Dublin&amp;rft.pages=448&amp;rft.pub=M.H.+Gill+%26+Son&amp;rft.date=1907&amp;rft_id=info%3Aoclcnum%2F28285304&amp;rft.aulast=Alzog&amp;rft.aufirst=Johannes&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DB-YpAQAAIAAJ&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ANovember+18"></span></span>