<a href="https://en.wikipedia.org/wiki/American_Civil_War" id="mwkA" rel="mw:WikiLink" title="American Civil War">American Civil War</a>: <a href="https://en.wikipedia.org/wiki/Battle_of_Fort_Stevens" id="mwkQ" rel="mw:WikiLink" title="Battle of Fort Stevens">Battle of Fort Stevens</a>; <a href="https://en.wikipedia.org/wiki/Confederate_States_of_America" id="mwkg" rel="mw:WikiLink" title="Confederate States of America">Confederate</a> forces attempt to invade Washington, D.C.