<a href="https://en.wikipedia.org/wiki/Trajan" id="mwEQ" rel="mw:WikiLink" title="Trajan">Trajan</a> succeeds his adoptive father <a href="https://en.wikipedia.org/wiki/Nerva" id="mwEg" rel="mw:WikiLink" title="Nerva">Nerva</a> as <a href="https://en.wikipedia.org/wiki/Roman_emperor" id="mwEw" rel="mw:WikiLink" title="Roman emperor">Roman emperor</a>;<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="./January_27#cite_note-1" id="mwFA" style="counter-reset: mw-Ref 1;"><span class="mw-reflink-text" id="mwFQ">[1]</span></a></sup> under his rule the <a href="https://en.wikipedia.org/wiki/Roman_Empire" id="mwFg" rel="mw:WikiLink" title="Roman Empire">Roman Empire</a> will reach its maximum extent.
<span class="mw-reference-text" id="mw-reference-text-cite_note-1"><cite about="#mwt12" class="citation book cs1" id="CITEREFConstantin_C._Giurescu1972">Constantin C. Giurescu (1972). <a class="external text" href="https://books.google.com/books?id=ivcbAAAAMAAJ" id="mwBsk" rel="mw:ExtLink nofollow"><i id="mwBso">The Making of the Romanian People and Language</i></a>. Meridiane. p.<span id="mwBss" typeof="mw:Entity"> </span>43. <a class="external text" href="https://web.archive.org/web/20230924131844/https://books.google.com/books?id=ivcbAAAAMAAJ" id="mwBsw" rel="mw:ExtLink nofollow">Archived</a> from the original on 2023-09-24<span class="reference-accessdate" id="mwBs0">. Retrieved <span class="nowrap" id="mwBs4">2019-01-26</span></span>.</cite><span about="#mwt12" class="Z3988" id="mwBs8" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=The+Making+of+the+Romanian+People+and+Language&amp;rft.pages=43&amp;rft.pub=Meridiane&amp;rft.date=1972&amp;rft.au=Constantin+C.+Giurescu&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DivcbAAAAMAAJ&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AJanuary+27"></span></span>