Polly
... that the damaged and demasted brig Polly drifted over six months and more than 2,000 miles (3,200 km) across the Atlantic with its surviving crew?
... that the damaged and demasted brig <b id="mwAuk"><a href="./Polly_(brig)" id="mwAuo" rel="mw:WikiLink" title="Polly (brig)"><i id="mwAus">Polly</i></a></b> drifted over six months and more than <span about="#mwt16" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"2000"},"2":{"wt":"mi"}},"i":0}}]}' id="mwAuw" typeof="mw:Transclusion">2,000 miles (3,200</span><span about="#mwt16" typeof="mw:Entity"> </span><span about="#mwt16">km)</span> across the <a class="mw-redirect" href="./Atlantic" id="mwAu0" rel="mw:WikiLink" title="Atlantic">Atlantic</a> with its surviving crew?