American Civil War: <a href="https://en.wikipedia.org/wiki/David_Farragut" id="mwog" rel="mw:WikiLink" title="David Farragut">David Farragut</a> is promoted to <a href="https://en.wikipedia.org/wiki/Rear_admiral" id="mwow" rel="mw:WikiLink" title="Rear admiral">rear admiral</a>, becoming the first officer in <a href="https://en.wikipedia.org/wiki/United_States_Navy" id="mwpA" rel="mw:WikiLink" title="United States Navy">United States Navy</a> to hold an admiral rank.