American Civil War: During the <a href="https://en.wikipedia.org/wiki/Vicksburg_campaign" id="mwgA" rel="mw:WikiLink" title="Vicksburg campaign">Vicksburg campaign</a>, Union forces under <a href="https://en.wikipedia.org/wiki/Ulysses_S._Grant" id="mwgQ" rel="mw:WikiLink" title="Ulysses S. Grant">Ulysses S. Grant</a> win at the <a href="https://en.wikipedia.org/wiki/Battle_of_Port_Gibson" id="mwgg" rel="mw:WikiLink" title="Battle of Port Gibson">Battle of Port Gibson</a> and establish a firm presence on the east side of the <a href="https://en.wikipedia.org/wiki/Mississippi_River" id="mwgw" rel="mw:WikiLink" title="Mississippi River">Mississippi River</a>.<sup about="#mwt45" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-7"}}' id="cite_ref-7" rel="dc:references" typeof="mw:Extension/ref"><a href="./May_1#cite_note-7" id="mwhA" style="counter-reset: mw-Ref 7;"><span class="mw-reflink-text" id="mwhQ">[7]</span></a></sup>
<span class="mw-reference-text reference-text" id="mw-reference-text-cite_note-7"><cite about="#mwt42" class="citation web cs1" id="mwBw4"><a class="external text" href="https://www.nps.gov/vick/learn/historyculture/battleportgibson.htm" id="mwBw8" rel="mw:ExtLink nofollow">"Battle of Port Gibson (May 1, 1863)"</a>. <i id="mwBxA">NPS.gov</i>. National Park Service. February 15, 2018<span class="reference-accessdate" id="mwBxE">. Retrieved <span class="nowrap" id="mwBxI">May 17,</span> 2024</span>.</cite><span about="#mwt42" class="Z3988" id="mwBxM" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=NPS.gov&amp;rft.atitle=Battle+of+Port+Gibson+%28May+1%2C+1863%29&amp;rft.date=2018-02-15&amp;rft_id=https%3A%2F%2Fwww.nps.gov%2Fvick%2Flearn%2Fhistoryculture%2Fbattleportgibson.htm&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AMay+1"></span></span>