<a href="https://en.wikipedia.org/wiki/American_Civil_War" id="mwdA" rel="mw:WikiLink" title="American Civil War">American Civil War</a> <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Maryland_Campaign" id="mwdQ" rel="mw:WikiLink" title="Maryland Campaign">Maryland Campaign</a>: General <a href="https://en.wikipedia.org/wiki/Robert_E._Lee" id="mwdg" rel="mw:WikiLink" title="Robert E. Lee">Robert E. Lee</a> takes the Army of Northern Virginia, and the war, into the North.