<a href="https://en.wikipedia.org/wiki/American_Civil_War" id="mwaA" rel="mw:WikiLink" title="American Civil War">American Civil War</a>: <a href="https://en.wikipedia.org/wiki/Tennessee_in_the_American_Civil_War" id="mwaQ" rel="mw:WikiLink" title="Tennessee in the American Civil War">Tennessee</a> secedes from the <a href="https://en.wikipedia.org/wiki/Union_(American_Civil_War)" id="mwag" rel="mw:WikiLink" title="Union (American Civil War)">Union</a>.