Floating Battery of Charleston Harbor
... that the Floating Battery of Charleston Harbor was the first floating battery to engage in hostilities during the American Civil War?
... that the <b id="mwGEc"><a href="./Floating_Battery_of_Charleston_Harbor" id="mwGEg" rel="mw:WikiLink" title="Floating Battery of Charleston Harbor">Floating Battery of Charleston Harbor</a></b> was the first <a href="./Floating_battery" id="mwGEk" rel="mw:WikiLink" title="Floating battery">floating battery</a> to engage in hostilities during the <a href="./American_Civil_War" id="mwGEo" rel="mw:WikiLink" title="American Civil War">American Civil War</a>?