<a href="https://en.wikipedia.org/wiki/Gratian" id="mwEQ" rel="mw:WikiLink" title="Gratian">Gratian</a>, son of <a href="https://en.wikipedia.org/wiki/Roman_emperor" id="mwEg" rel="mw:WikiLink" title="Roman emperor">Roman Emperor</a> <a href="https://en.wikipedia.org/wiki/Valentinian_I" id="mwEw" rel="mw:WikiLink" title="Valentinian I">Valentinian I</a>, is named co-<a class="mw-redirect" href="https://en.wikipedia.org/wiki/Augustus_(honorific)" id="mwFA" rel="mw:WikiLink" title="Augustus (honorific)">Augustus</a> at the age of eight by his father.<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="./August_24#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 reference-text" id="mw-reference-text-cite_note-1"><cite about="#mwt12" class="citation book cs1" id="CITEREFMeaghan_McEvoy2013">Meaghan McEvoy (2 May 2013). <a class="external text" href="https://books.google.com/books?id=lgygc7HDBt0C&amp;pg=PA49" id="mwB1U" rel="mw:ExtLink nofollow"><i id="mwB1Y">Child Emperor Rule in the Late Roman West, AD 367-455</i></a>. OUP Oxford. p.<span id="mwB1c" typeof="mw:Entity"> </span>49. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwB1g" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwB1k" typeof="mw:Entity"> </span><a href="./Special:BookSources/978-0-19-966481-8" id="mwB1o" rel="mw:WikiLink" title="Special:BookSources/978-0-19-966481-8"><bdi id="mwB1s">978-0-19-966481-8</bdi></a>.</cite><span about="#mwt12" class="Z3988" id="mwB1w" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Child+Emperor+Rule+in+the+Late+Roman+West%2C+AD+367-455&amp;rft.pages=49&amp;rft.pub=OUP+Oxford&amp;rft.date=2013-05-02&amp;rft.isbn=978-0-19-966481-8&amp;rft.au=Meaghan+McEvoy&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Dlgygc7HDBt0C%26pg%3DPA49&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAugust+24"></span></span>