<a href="https://en.wikipedia.org/wiki/American_Civil_War" id="mwgQ" rel="mw:WikiLink" title="American Civil War">American Civil War</a>: The <a href="https://en.wikipedia.org/wiki/Battle_of_Westport" id="mwgg" rel="mw:WikiLink" title="Battle of Westport">Battle of Westport</a> is the last significant engagement west of the <a href="https://en.wikipedia.org/wiki/Mississippi_River" id="mwgw" rel="mw:WikiLink" title="Mississippi River">Mississippi River</a>, ending in a <a href="https://en.wikipedia.org/wiki/Union_(American_Civil_War)" id="mwhA" rel="mw:WikiLink" title="Union (American Civil War)">Union</a> victory.