American Civil War: <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Peninsula_Campaign" id="mwuQ" rel="mw:WikiLink" title="Peninsula Campaign">Peninsula Campaign</a>: The <a href="https://en.wikipedia.org/wiki/Battle_of_Seven_Pines" id="mwug" rel="mw:WikiLink" title="Battle of Seven Pines">Battle of Seven Pines</a> (or the Battle of Fair Oaks) ends inconclusively, with both sides claiming victory.