Emperor <a href="https://en.wikipedia.org/wiki/Gratian" id="mwEA" rel="mw:WikiLink" title="Gratian">Gratian</a> elevates <a href="https://en.wikipedia.org/wiki/Theodosius_I" id="mwEQ" rel="mw:WikiLink" title="Theodosius I">Flavius Theodosius</a> at <a href="https://en.wikipedia.org/wiki/Sirmium" id="mwEg" rel="mw:WikiLink" title="Sirmium">Sirmium</a> to <i id="mwEw"><a class="mw-redirect" href="https://en.wikipedia.org/wiki/Augustus_(honorific)" id="mwFA" rel="mw:WikiLink" title="Augustus (honorific)">Augustus</a></i>, and gives him authority over all the eastern provinces of the <a href="https://en.wikipedia.org/wiki/Roman_Empire" id="mwFQ" rel="mw:WikiLink" title="Roman Empire">Roman Empire</a>.<sup about="#mwt14" 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_19#cite_note-1" id="mwFg" style="counter-reset: mw-Ref 1;"><span class="mw-reflink-text" id="mwFw">[1]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-1"><cite about="#mwt11" class="citation book cs1" id="CITEREFElton2018">Elton, Hugh (2018). <a class="external text" href="https://books.google.com/books?id=D2V9DwAAQBAJ" id="mwB28" rel="mw:ExtLink nofollow"><i id="mwB3A">The Roman Empire in Late Antiquity: A Political and Military History</i></a>. Cambridge, U.K.: Cambridge University Press. p.<span id="mwB3E" typeof="mw:Entity"> </span>132. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwB3I" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwB3M" typeof="mw:Entity"> </span><a href="./Special:BookSources/9780521899314" id="mwB3Q" rel="mw:WikiLink" title="Special:BookSources/9780521899314"><bdi id="mwB3U">9780521899314</bdi></a>.</cite><span about="#mwt11" class="Z3988" id="mwB3Y" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=The+Roman+Empire+in+Late+Antiquity%3A+A+Political+and+Military+History&amp;rft.place=Cambridge%2C+U.K.&amp;rft.pages=132&amp;rft.pub=Cambridge+University+Press&amp;rft.date=2018&amp;rft.isbn=9780521899314&amp;rft.aulast=Elton&amp;rft.aufirst=Hugh&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DD2V9DwAAQBAJ&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AJanuary+19"></span></span>