<a href="https://en.wikipedia.org/wiki/Otto_II,_Holy_Roman_Emperor" id="mwMA" rel="mw:WikiLink" title="Otto II, Holy Roman Emperor">Otto II</a>, Co-<a href="https://en.wikipedia.org/wiki/Holy_Roman_Emperor" id="mwMQ" rel="mw:WikiLink" title="Holy Roman Emperor">Emperor</a> of the <a href="https://en.wikipedia.org/wiki/Holy_Roman_Empire" id="mwMg" rel="mw:WikiLink" title="Holy Roman Empire">Holy Roman Empire</a>, marries Byzantine princess <a href="https://en.wikipedia.org/wiki/Theophanu" id="mwMw" rel="mw:WikiLink" title="Theophanu">Theophanu</a>. She is crowned empress by Pope <a href="https://en.wikipedia.org/wiki/Pope_John_XIII" id="mwNA" rel="mw:WikiLink" title="Pope John XIII">John XIII</a> in Rome the same day.<sup about="#mwt28" 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="./April_14#cite_note-4" id="mwNQ" style="counter-reset: mw-Ref 4;"><span class="mw-reflink-text" id="mwNg">[4]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-4"><cite about="#mwt25" class="citation book cs1" id="CITEREFLeyser1994">Leyser, Karl (1994). Reuter, Timothy (ed.). <a class="external text" href="https://books.google.com/books?id=efy4NAcXOSkC" id="mwB6E" rel="mw:ExtLink nofollow"><i id="mwB6I">Communications and Power in Medieval Europe: The Carolingian and Ottoman Centuries</i></a>. London: Hambledon Press. p.<span id="mwB6M" typeof="mw:Entity"> </span>156. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwB6Q" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwB6U" typeof="mw:Entity"> </span><a href="./Special:BookSources/9781852850135" id="mwB6Y" rel="mw:WikiLink" title="Special:BookSources/9781852850135"><bdi id="mwB6c">9781852850135</bdi></a>.</cite><span about="#mwt25" class="Z3988" id="mwB6g" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Communications+and+Power+in+Medieval+Europe%3A+The+Carolingian+and+Ottoman+Centuries&amp;rft.place=London&amp;rft.pages=156&amp;rft.pub=Hambledon+Press&amp;rft.date=1994&amp;rft.isbn=9781852850135&amp;rft.aulast=Leyser&amp;rft.aufirst=Karl&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Defy4NAcXOSkC&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AApril+14"></span></span>