sinking of the Blanco Encalada
... that the sinking of the Blanco Encalada was the first successful attack on a ship by a torpedo boat?
... that the <b id="mwA_U"><a href="./Battle_of_Caldera_Bay" id="mwA_Y" rel="mw:WikiLink" title="Battle of Caldera Bay">sinking of the Blanco Encalada</a></b> was the first successful attack on a ship by a torpedo boat?