<a href="https://en.wikipedia.org/wiki/Amadeus_VIII,_Duke_of_Savoy" id="mwMg" rel="mw:WikiLink" title="Amadeus VIII, Duke of Savoy">Felix V</a> abdicates his claim to the <a href="https://en.wikipedia.org/wiki/Pope" id="mwMw" rel="mw:WikiLink" title="Pope">papacy</a>, ending the reign of the final <a href="https://en.wikipedia.org/wiki/Antipope" id="mwNA" rel="mw:WikiLink" title="Antipope">Antipope</a>.<sup about="#mwt42" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-5"}}' id="cite_ref-5" rel="dc:references" typeof="mw:Extension/ref"><a href="./April_7#cite_note-5" id="mwNQ" style="counter-reset: mw-Ref 5;"><span class="mw-reflink-text" id="mwNg">[5]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-5"><cite about="#mwt39" class="citation book cs1" id="CITEREFGregorovius1900">Gregorovius, Ferdinand (1900). <a class="external text" href="https://books.google.com/books?id=IW1OAAAAMAAJ" id="mwCJg" rel="mw:ExtLink nofollow"><i id="mwCJk">History of the City of Rome in the Middle Ages. Vol. 3: Carolingian Epoch up to the Year 900</i></a>. Translated by Hamilton, Annie. London: G. Bell. p.<span id="mwCJo" typeof="mw:Entity"> </span>109. <a class="mw-redirect" href="./OCLC_(identifier)" id="mwCJs" rel="mw:WikiLink" title="OCLC (identifier)">OCLC</a><span id="mwCJw" typeof="mw:Entity"> </span><a class="external text" href="https://www.worldcat.org/oclc/19856308" id="mwCJ0" rel="mw:ExtLink nofollow">19856308</a>.</cite><span about="#mwt39" class="Z3988" id="mwCJ4" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=History+of+the+City+of+Rome+in+the+Middle+Ages.+Vol.+3%3A+Carolingian+Epoch+up+to+the+Year+900&amp;rft.place=London&amp;rft.pages=109&amp;rft.pub=G.+Bell&amp;rft.date=1900&amp;rft_id=info%3Aoclcnum%2F19856308&amp;rft.aulast=Gregorovius&amp;rft.aufirst=Ferdinand&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DIW1OAAAAMAAJ&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AApril+7"></span></span>