<a href="https://en.wikipedia.org/wiki/American_Civil_War" id="mwvw" rel="mw:WikiLink" title="American Civil War">American Civil War</a>: The <a href="https://en.wikipedia.org/wiki/Second_Battle_of_Petersburg" id="mwwA" rel="mw:WikiLink" title="Second Battle of Petersburg">Second Battle of Petersburg</a> begins.