The <a href="https://en.wikipedia.org/wiki/Second_Council_of_Constantinople" id="mwEQ" rel="mw:WikiLink" title="Second Council of Constantinople">Second Council of Constantinople</a> begins.<sup about="#mwt15" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-1"}}' id="cite_ref-1" rel="dc:references" typeof="mw:Extension/ref"><a href="./May_5#cite_note-1" id="mwEg" style="counter-reset: mw-Ref 1;"><span class="mw-reflink-text" id="mwEw">[1]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-1"><cite about="#mwt12" class="citation web cs1" id="mwBbM"><a class="external text" href="http://www.ccel.org/ccel/schaff/npnf214.xii.ii.html" id="mwBbQ" rel="mw:ExtLink nofollow">"NPNF2–14. The Seven Ecumenical Councils, Introduction"</a>. CCEL<span class="reference-accessdate" id="mwBbU">. Retrieved <span class="nowrap" id="mwBbY">2019-11-20</span></span>.</cite><span about="#mwt12" class="Z3988" id="mwBbc" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=NPNF2%E2%80%9314.+The+Seven+Ecumenical+Councils%2C+Introduction&amp;rft.pub=CCEL&amp;rft_id=http%3A%2F%2Fwww.ccel.org%2Fccel%2Fschaff%2Fnpnf214.xii.ii.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AMay+5"></span></span>