Forces of <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Emperor_Guangwu" id="mwEQ" rel="mw:WikiLink" title="Emperor Guangwu">Emperor Guangwu</a> of the <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Eastern_Han" id="mwEg" rel="mw:WikiLink" title="Eastern Han">Eastern Han</a>, under the command of <a href="https://en.wikipedia.org/wiki/Wu_Han_(Han_dynasty)" id="mwEw" rel="mw:WikiLink" title="Wu Han (Han dynasty)">Wu Han</a>, conquer the separatist <a href="https://en.wikipedia.org/wiki/Chengjia" id="mwFA" rel="mw:WikiLink" title="Chengjia">Chengjia</a> empire, reuniting China.<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="./December_25#cite_note-1" id="mwFQ" style="counter-reset: mw-Ref 1;"><span class="mw-reflink-text" id="mwFg">[1]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-1"><cite about="#mwt12" class="citation book cs1" id="CITEREFTwitchettFairbankLoewe1978">Twitchett, Denis; Fairbank, John King; Loewe, Michael (1978). <a class="external text" href="https://books.google.com/books?id=A2HKxK5N2sAC&amp;pg=PA255" id="mwCCo" rel="mw:ExtLink nofollow"><i id="mwCCs">The Cambridge History of China: Volume 1, The Ch'in and Han Empires, 221 BC – AD 220</i></a>. Cambridge University Press. p.<span id="mwCCw" typeof="mw:Entity"> </span>255. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwCC0" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwCC4" typeof="mw:Entity"> </span><a href="./Special:BookSources/978-0-521-24327-8" id="mwCC8" rel="mw:WikiLink" title="Special:BookSources/978-0-521-24327-8"><bdi id="mwCDA">978-0-521-24327-8</bdi></a>.</cite><span about="#mwt12" class="Z3988" id="mwCDE" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=The+Cambridge+History+of+China%3A+Volume+1%2C+The+Ch%27in+and+Han+Empires%2C+221+BC+%E2%80%93+AD+220&amp;rft.pages=255&amp;rft.pub=Cambridge+University+Press&amp;rft.date=1978&amp;rft.isbn=978-0-521-24327-8&amp;rft.aulast=Twitchett&amp;rft.aufirst=Denis&amp;rft.au=Fairbank%2C+John+King&amp;rft.au=Loewe%2C+Michael&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DA2HKxK5N2sAC%26pg%3DPA255&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecember+25"></span></span>