American Civil War: During the <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Vicksburg_Campaign" id="mwgg" rel="mw:WikiLink" title="Vicksburg Campaign">Vicksburg Campaign</a>, <a href="https://en.wikipedia.org/wiki/Gunboat" id="mwgw" rel="mw:WikiLink" title="Gunboat">gunboats</a> commanded by acting Rear Admiral <a href="https://en.wikipedia.org/wiki/David_Dixon_Porter" id="mwhA" rel="mw:WikiLink" title="David Dixon Porter">David Dixon Porter</a> run downriver past Confederate <a href="https://en.wikipedia.org/wiki/Artillery_battery" id="mwhQ" rel="mw:WikiLink" title="Artillery battery">artillery batteries</a> at Vicksburg.