<a href="https://en.wikipedia.org/wiki/American_Civil_War" id="mwYg" rel="mw:WikiLink" title="American Civil War">American Civil War</a>: <a href="https://en.wikipedia.org/wiki/Robert_E._Lee" id="mwYw" rel="mw:WikiLink" title="Robert E. Lee">Robert E. Lee</a> resigns his commission in the <a href="https://en.wikipedia.org/wiki/United_States_Army" id="mwZA" rel="mw:WikiLink" title="United States Army">United States Army</a> in order to command the forces of the state of <a href="https://en.wikipedia.org/wiki/Virginia" id="mwZQ" rel="mw:WikiLink" title="Virginia">Virginia</a>.<sup about="#mwt35" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-5"}}' id="cite_ref-5" rel="dc:references" typeof="mw:Extension/ref"><a href="./April_20#cite_note-5" id="mwZg" style="counter-reset: mw-Ref 5;"><span class="mw-reflink-text" id="mwZw">[5]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-5"><cite about="#mwt32" class="citation journal cs1" id="CITEREFPryor2008">Pryor, Elizabeth Brown (Winter 2008). <a class="external text" href="https://www.americanheritage.com/robert-e-lees-severest-struggle" id="mwBZY" rel="mw:ExtLink nofollow">"Robert E. Lee's 'Severest Struggle'<span class="cs1-kern-right" id="mwBZc"></span>"</a>. <i id="mwBZg">American Heritage</i><span class="reference-accessdate" id="mwBZk">. Retrieved <span class="nowrap" id="mwBZo">April 20,</span> 2019</span>.</cite><span about="#mwt32" class="Z3988" id="mwBZs" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=American+Heritage&amp;rft.atitle=Robert+E.+Lee%27s+%27Severest+Struggle%27&amp;rft.ssn=winter&amp;rft.date=2008&amp;rft.aulast=Pryor&amp;rft.aufirst=Elizabeth+Brown&amp;rft_id=https%3A%2F%2Fwww.americanheritage.com%2Frobert-e-lees-severest-struggle&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AApril+20"></span></span>