HMAS Australia
... that the North Sea patrols of the battlecruiser HMAS Australia during World War I were so monotonous that one sailor was driven insane?
... that the <a href="./North_Sea" id="mwFCY" rel="mw:WikiLink" title="North Sea">North Sea</a> patrols of the <a href="./Battlecruiser" id="mwFCc" rel="mw:WikiLink" title="Battlecruiser">battlecruiser</a> <b id="mwFCg"><a about="#mwt40" data-mw='{"parts":[{"template":{"target":{"wt":"HMAS","href":"./Template:HMAS"},"params":{"1":{"wt":"Australia"},"2":{"wt":"1911"},"3":{"wt":"6"}},"i":0}}]}' href="./HMAS_Australia_(1911)" id="mwFCk" rel="mw:WikiLink" title="HMAS Australia (1911)" typeof="mw:Transclusion">HMAS<span typeof="mw:Entity"> </span><i>Australia</i></a></b> during <a href="./World_War_I" id="mwFCo" rel="mw:WikiLink" title="World War I">World War I</a> were so monotonous that one sailor was driven insane?