Bayern
... that the battleship Bayern was the first German warship to mount 15 inch guns?
... that the <a href="./Battleship" id="mwEZM" rel="mw:WikiLink" title="Battleship">battleship</a> <b id="mwEZQ"><a about="#mwt52" class="mw-redirect" data-mw='{"parts":[{"template":{"target":{"wt":"SMS","href":"./Template:SMS"},"params":{"1":{"wt":"Bayern"},"2":{"wt":"1915"},"3":{"wt":"2"}},"i":0}}]}' href="./SMS_Bayern_(1915)" id="mwEZU" rel="mw:WikiLink" title="SMS Bayern (1915)" typeof="mw:Transclusion"><i>Bayern</i></a></b> was the first German warship to mount 15<span id="mwEZY" typeof="mw:Entity"> </span>inch guns?