<a href="https://en.wikipedia.org/wiki/Constantine_VIII" id="mwIw" rel="mw:WikiLink" title="Constantine VIII">Constantine VIII</a> becomes sole <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Byzantine_Emperor" id="mwJA" rel="mw:WikiLink" title="Byzantine Emperor">emperor</a> of the <a href="https://en.wikipedia.org/wiki/Byzantine_Empire" id="mwJQ" rel="mw:WikiLink" title="Byzantine Empire">Byzantine Empire</a>, 63 years after being crowned co-emperor.<sup about="#mwt25" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-3"}}' id="cite_ref-3" rel="dc:references" typeof="mw:Extension/ref"><a href="./December_15#cite_note-3" id="mwJg" style="counter-reset: mw-Ref 3;"><span class="mw-reflink-text" id="mwJw">[3]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-3"><cite about="#mwt22" class="citation book cs1" id="CITEREFVogt1926">Vogt, Albert (1926). "The Macedonian Dynasty From 976 to 1057 A.D.". In Tanner, J.R.; Previté-Orton, C.W.; Brooke, Z.N. (eds.). <a class="external text" href="https://books.google.com/books?id=ihg_2ZXHB1cC" id="mwBmM" rel="mw:ExtLink nofollow"><i id="mwBmQ">The Cambridge Medieval History. Vol. 4: The Eastern Roman Empire</i></a>. New York: Macmillan. p.<span id="mwBmU" typeof="mw:Entity"> </span>96. <a class="mw-redirect" href="./OCLC_(identifier)" id="mwBmY" rel="mw:WikiLink" title="OCLC (identifier)">OCLC</a><span id="mwBmc" typeof="mw:Entity"> </span><a class="external text" href="https://www.worldcat.org/oclc/14739796" id="mwBmg" rel="mw:ExtLink nofollow">14739796</a>.</cite><span about="#mwt22" class="Z3988" id="mwBmk" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.atitle=The+Macedonian+Dynasty+From+976+to+1057+A.D.&amp;rft.btitle=The+Cambridge+Medieval+History.+Vol.+4%3A+The+Eastern+Roman+Empire&amp;rft.place=New+York&amp;rft.pages=96&amp;rft.pub=Macmillan&amp;rft.date=1926&amp;rft_id=info%3Aoclcnum%2F14739796&amp;rft.aulast=Vogt&amp;rft.aufirst=Albert&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Dihg_2ZXHB1cC&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecember+15"></span></span>