<a href="https://en.wikipedia.org/wiki/Mississippi" id="mwASE" rel="mw:WikiLink" title="Mississippi">Mississippi</a> formally ratifies the <a href="https://en.wikipedia.org/wiki/Thirteenth_Amendment_to_the_United_States_Constitution" id="mwASI" rel="mw:WikiLink" title="Thirteenth Amendment to the United States Constitution">Thirteenth Amendment to the United States Constitution</a>, becoming the last state to approve the abolition of <a href="https://en.wikipedia.org/wiki/Slavery" id="mwASM" rel="mw:WikiLink" title="Slavery">slavery</a>.<sup about="#mwt139" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-26"}}' id="cite_ref-26" rel="dc:references" typeof="mw:Extension/ref"><a href="./March_16#cite_note-26" id="mwASQ" style="counter-reset: mw-Ref 26;"><span class="mw-reflink-text" id="mwASU">[26]</span></a></sup> The Thirteenth Amendment was officially ratified in 1865.
<span class="mw-reference-text" id="mw-reference-text-cite_note-26"><cite about="#mwt136" class="citation news cs1" id="CITEREFWaldron2013">Waldron, Ben (February 19, 2013). <a class="external text" href="https://abcnews.go.com/blogs/headlines/2013/02/mississippi-officially-abolishes-slavery-ratifies-13th-amendment/" id="mwCt4" rel="mw:ExtLink nofollow">"Mississippi officially abolishes slavery, ratifies 13th Amendment"</a>. <i id="mwCt8"><a href="./ABC_News" id="mwCuA" rel="mw:WikiLink" title="ABC News">ABC News</a></i><span class="reference-accessdate" id="mwCuE">. Retrieved <span class="nowrap" id="mwCuI">31 August</span> 2021</span>.</cite><span about="#mwt136" class="Z3988" id="mwCuM" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=ABC+News&amp;rft.atitle=Mississippi+officially+abolishes+slavery%2C+ratifies+13th+Amendment&amp;rft.date=2013-02-19&amp;rft.aulast=Waldron&amp;rft.aufirst=Ben&amp;rft_id=https%3A%2F%2Fabcnews.go.com%2Fblogs%2Fheadlines%2F2013%2F02%2Fmississippi-officially-abolishes-slavery-ratifies-13th-amendment%2F&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AMarch+16"></span></span>