President <a href="https://en.wikipedia.org/wiki/Abraham_Lincoln" id="mwWw" rel="mw:WikiLink" title="Abraham Lincoln">Abraham Lincoln</a> signs the <a href="https://en.wikipedia.org/wiki/Thirteenth_Amendment_to_the_United_States_Constitution" id="mwXA" rel="mw:WikiLink" title="Thirteenth Amendment to the United States Constitution">Thirteenth Amendment to the United States Constitution</a>.