Kasuga
... that the 1868 encounter between Kasuga and Kaiyō was the first naval battle between two modern fleets in Japan?
... that the <a href="./1868" id="mwAdU" rel="mw:WikiLink" title="1868">1868</a> encounter between <i id="mwAdY"><b id="mwAdc"><a class="mw-redirect" href="./Japanese_warship_Kasuga_(1862)" id="mwAdg" rel="mw:WikiLink" title="Japanese warship Kasuga (1862)">Kasuga</a></b></i> and <i id="mwAdk"><a class="mw-redirect" href="./Japanese_battleship_Kaiyo_Maru" id="mwAdo" rel="mw:WikiLink" title="Japanese battleship Kaiyo Maru">Kaiy<span id="mwAds" typeof="mw:Entity">ō</span></a></i> was the first <a class="mw-redirect" href="./Naval_battle" id="mwAdw" rel="mw:WikiLink" title="Naval battle">naval battle</a> between two modern fleets in <a href="./Japan" id="mwAd0" rel="mw:WikiLink" title="Japan">Japan</a>?