Maginulfo is elected <a href="https://en.wikipedia.org/wiki/Antipope" id="mwKw" rel="mw:WikiLink" title="Antipope">Antipope</a> <a href="https://en.wikipedia.org/wiki/Antipope_Sylvester_IV" id="mwLA" rel="mw:WikiLink" title="Antipope Sylvester IV">Sylvester IV</a> in opposition to <a href="https://en.wikipedia.org/wiki/Pope_Paschal_II" id="mwLQ" rel="mw:WikiLink" title="Pope Paschal II">Pope Paschal II</a>.<sup about="#mwt33" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-4"}}' id="cite_ref-4" rel="dc:references" typeof="mw:Extension/ref"><a href="./November_18#cite_note-4" id="mwLg" style="counter-reset: mw-Ref 4;"><span class="mw-reflink-text" id="mwLw">[4]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-4"><cite about="#mwt30" class="citation book cs1" id="CITEREFCoulombe2003">Coulombe, Charles A. (2003). <a class="external text" href="https://books.google.com/books?id=4tbYF51StSQC" id="mwByc" rel="mw:ExtLink nofollow"><i id="mwByg">Vicars of Christ: A History of the Popes</i></a>. New York: Citadel Press. p.<span id="mwByk" typeof="mw:Entity"> </span>230. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwByo" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwBys" typeof="mw:Entity"> </span><a href="./Special:BookSources/9780806523705" id="mwByw" rel="mw:WikiLink" title="Special:BookSources/9780806523705"><bdi id="mwBy0">9780806523705</bdi></a>.</cite><span about="#mwt30" class="Z3988" id="mwBy4" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Vicars+of+Christ%3A+A+History+of+the+Popes&amp;rft.place=New+York&amp;rft.pages=230&amp;rft.pub=Citadel+Press&amp;rft.date=2003&amp;rft.isbn=9780806523705&amp;rft.aulast=Coulombe&amp;rft.aufirst=Charles+A.&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3D4tbYF51StSQC&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ANovember+18"></span></span>