First documentary sign of <a href="https://en.wikipedia.org/wiki/Christmas" id="mwLA" rel="mw:WikiLink" title="Christmas">Christmas</a> celebration in Rome.<sup about="#mwt30" 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="./December_25#cite_note-4" id="mwLQ" style="counter-reset: mw-Ref 4;"><span class="mw-reflink-text" id="mwLg">[4]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-4"><cite about="#mwt27" class="citation encyclopaedia cs1" id="mwCE0">"Christmas and its cycle". <i id="mwCE4">New Catholic Encyclopedia</i>. Vol.<span id="mwCE8" typeof="mw:Entity"> </span>3 (2nd<span id="mwCFA" typeof="mw:Entity"> </span>ed.). Catholic University of America Press. 2002. p.<span id="mwCFE" typeof="mw:Entity"> </span>551.</cite><span about="#mwt27" class="Z3988" id="mwCFI" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.atitle=Christmas+and+its+cycle&amp;rft.btitle=New+Catholic+Encyclopedia&amp;rft.pages=551&amp;rft.edition=2nd&amp;rft.pub=Catholic+University+of+America+Press&amp;rft.date=2002&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecember+25"></span></span>