The U.S. state of <a href="https://en.wikipedia.org/wiki/Mississippi" id="mwAUE" rel="mw:WikiLink" title="Mississippi">Mississippi</a> officially certifies the <a href="https://en.wikipedia.org/wiki/Thirteenth_Amendment_to_the_United_States_Constitution" id="mwAUI" rel="mw:WikiLink" title="Thirteenth Amendment to the United States Constitution">Thirteenth Amendment</a>, becoming the last state to approve the abolition of <a href="https://en.wikipedia.org/wiki/Slavery" id="mwAUM" rel="mw:WikiLink" title="Slavery">slavery</a>. The Thirteenth Amendment was formally ratified by Mississippi in 1995.