Southampton Castle
... that Southampton Castle was one of the first castles in medieval England to be equipped with a cannon?
... that <b id="mwFbM"><a href="./Southampton_Castle" id="mwFbQ" rel="mw:WikiLink" title="Southampton Castle">Southampton Castle</a></b> was one of the first <a href="./Castle" id="mwFbU" rel="mw:WikiLink" title="Castle">castles</a> in <a href="./England_in_the_Middle_Ages" id="mwFbY" rel="mw:WikiLink" title="England in the Middle Ages">medieval England</a> to be equipped with a <a href="./Cannon" id="mwFbc" rel="mw:WikiLink" title="Cannon">cannon</a>?