Forty-five miles south of <a href="https://en.wikipedia.org/wiki/Nantucket" id="mwAVk" rel="mw:WikiLink" title="Nantucket">Nantucket Island</a>, the Italian <a href="https://en.wikipedia.org/wiki/Ocean_liner" id="mwAVo" rel="mw:WikiLink" title="Ocean liner">ocean liner</a> <a about="#mwt44" data-mw='{"parts":[{"template":{"target":{"wt":"SS","href":"./Template:SS"},"params":{"1":{"wt":"Andrea Doria"}},"i":0}}]}' href="https://en.wikipedia.org/wiki/SS_Andrea_Doria" id="mwAVs" rel="mw:WikiLink" title="SS Andrea Doria" typeof="mw:Transclusion">SS<span typeof="mw:Entity"> </span><i>Andrea Doria</i></a> collides with the <a about="#mwt45" data-mw='{"parts":[{"template":{"target":{"wt":"ship","href":"./Template:Ship"},"params":{"1":{"wt":"MS"},"2":{"wt":"Stockholm"},"3":{"wt":"1948"},"4":{"wt":"6"}},"i":0}}]}' href="https://en.wikipedia.org/wiki/MV_Astoria" id="mwAVw" rel="mw:WikiLink" title="MV Astoria" typeof="mw:Transclusion">MS<span typeof="mw:Entity"> </span><i>Stockholm</i></a> in heavy fog and sinks the next day, killing 51.