British battlecruisers
... that of the nine British battlecruisers built before World War I only HMS Tiger was retained by the Royal Navy after the tonnage limits of the Washington Naval Treaty came into effect in 1922?
... that of the nine <b id="mwCLo"><a href="./List_of_battlecruisers_of_the_Royal_Navy" id="mwCLs" rel="mw:WikiLink" title="List of battlecruisers of the Royal Navy">British battlecruisers</a></b> built before <a href="./World_War_I" id="mwCLw" rel="mw:WikiLink" title="World War I">World War I</a> only <a about="#mwt49" data-mw='{"parts":[{"template":{"target":{"wt":"HMS","href":"./Template:HMS"},"params":{"1":{"wt":"Tiger"},"2":{"wt":"1913"},"3":{"wt":"6"}},"i":0}}]}' href="./HMS_Tiger_(1913)" id="mwCL0" rel="mw:WikiLink" title="HMS Tiger (1913)" typeof="mw:Transclusion">HMS<span typeof="mw:Entity"> </span><i>Tiger</i></a> was retained by the <a href="./Royal_Navy" id="mwCL4" rel="mw:WikiLink" title="Royal Navy">Royal Navy</a> after the tonnage limits of the <a href="./Washington_Naval_Treaty" id="mwCL8" rel="mw:WikiLink" title="Washington Naval Treaty">Washington Naval Treaty</a> came into effect in 1922?