<a href="https://en.wikipedia.org/wiki/Impeachment_of_Andrew_Johnson" id="mwnA" rel="mw:WikiLink" title="Impeachment of Andrew Johnson">Impeachment of Andrew Johnson</a>: President <a href="https://en.wikipedia.org/wiki/Andrew_Johnson" id="mwnQ" rel="mw:WikiLink" title="Andrew Johnson">Andrew Johnson</a> is acquitted by one vote in the <a href="https://en.wikipedia.org/wiki/United_States_Senate" id="mwng" rel="mw:WikiLink" title="United States Senate">United States Senate</a>.