Russia begins using the <a href="https://en.wikipedia.org/wiki/Anno_Domini" id="mwpQ" rel="mw:WikiLink" title="Anno Domini">Anno Domini</a> era instead of the <a href="https://en.wikipedia.org/wiki/Anno_Mundi" id="mwpg" rel="mw:WikiLink" title="Anno Mundi">Anno Mundi</a> era of the <a href="https://en.wikipedia.org/wiki/Byzantine_Empire" id="mwpw" rel="mw:WikiLink" title="Byzantine Empire">Byzantine Empire</a>.<sup about="#mwt100" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-18"}}' id="cite_ref-18" rel="dc:references" typeof="mw:Extension/ref"><a href="./January_1#cite_note-18" id="mwqA" style="counter-reset: mw-Ref 18;"><span class="mw-reflink-text" id="mwqQ">[18]</span></a></sup>
<span class="mw-reference-text reference-text" id="mw-reference-text-cite_note-18"><cite about="#mwt97" class="citation book cs1" id="mwDUY"><a class="external text" href="https://books.google.com/books?id=RYpMAQAAMAAJ" id="mwDUc" rel="mw:ExtLink nofollow"><i id="mwDUg">The Lancet</i></a>. J. Onwhyn. 1900. p.<span id="mwDUk" typeof="mw:Entity"> </span>351.</cite><span about="#mwt97" class="Z3988" id="mwDUo" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=The+Lancet&amp;rft.pages=351&amp;rft.pub=J.+Onwhyn&amp;rft.date=1900&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DRYpMAQAAMAAJ&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AJanuary+1"></span></span>