<a href="https://en.wikipedia.org/wiki/Isambard_Kingdom_Brunel" id="mweA" rel="mw:WikiLink" title="Isambard Kingdom Brunel">Brunel's</a> <a href="https://en.wikipedia.org/wiki/Steamboat" id="mweQ" rel="mw:WikiLink" title="Steamboat">steamship</a> the <a about="#mwt16" data-mw='{"parts":[{"template":{"target":{"wt":"SS","href":"./Template:SS"},"params":{"1":{"wt":"Great Britain"}},"i":0}}]}' href="https://en.wikipedia.org/wiki/SS_Great_Britain" id="mweg" rel="mw:WikiLink" title="SS Great Britain" typeof="mw:Transclusion">SS<span typeof="mw:Entity"> </span><i>Great Britain</i></a> is launched, becoming the first ocean-going craft with an iron hull and <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Screw_propeller" id="mwew" rel="mw:WikiLink" title="Screw propeller">screw propeller</a>, becoming the largest vessel afloat in the world.