<a href="https://en.wikipedia.org/wiki/Shapur_I" id="mwEQ" rel="mw:WikiLink" title="Shapur I">Shapur I</a> becomes co-emperor of the <a href="https://en.wikipedia.org/wiki/Sasanian_Empire" id="mwEg" rel="mw:WikiLink" title="Sasanian Empire">Sasanian Empire</a> with his father <a href="https://en.wikipedia.org/wiki/Ardashir_I" id="mwEw" rel="mw:WikiLink" title="Ardashir I">Ardashir I</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="./April_12#cite_note-1" id="mwFA" style="counter-reset: mw-Ref 1;"><span class="mw-reflink-text" id="mwFQ">[1]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-1"><cite about="#mwt12" class="citation book cs1" id="CITEREFBuck1999">Buck, Christopher (13 May 1999). <a class="external text" href="https://books.google.com/books?id=TFNWbqJXQsEC&amp;pg=PA54" id="mwByc" rel="mw:ExtLink nofollow"><i id="mwByg">Paradise and Paradigm: Key Symbols in Persian Christianity and the Baha'i Faith</i></a>. <a href="./SUNY_Press" id="mwByk" rel="mw:WikiLink" title="SUNY Press">SUNY Press</a>. pp.<span id="mwByo" typeof="mw:Entity"> </span>54–. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwBys" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwByw" typeof="mw:Entity"> </span><a href="./Special:BookSources/978-0-7914-4062-9" id="mwBy0" rel="mw:WikiLink" title="Special:BookSources/978-0-7914-4062-9"><bdi id="mwBy4">978-0-7914-4062-9</bdi></a>.</cite><span about="#mwt12" class="Z3988" id="mwBy8" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Paradise+and+Paradigm%3A+Key+Symbols+in+Persian+Christianity+and+the+Baha%27i+Faith&amp;rft.pages=54-&amp;rft.pub=SUNY+Press&amp;rft.date=1999-05-13&amp;rft.isbn=978-0-7914-4062-9&amp;rft.aulast=Buck&amp;rft.aufirst=Christopher&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DTFNWbqJXQsEC%26pg%3DPA54&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AApril+12"></span></span>