S.S. Christopher Columbus
...that the S.S. Christopher Columbus, the only whaleback passenger liner ever built, carried 1.8 million passengers to and from the World's Columbian Exposition in a single season?
...that the <b id="mwBWs"><a class="mw-redirect" href="./Christopher_Columbus_(whaleback)" id="mwBWw" rel="mw:WikiLink" title="Christopher Columbus (whaleback)">S.S. <i id="mwBW0">Christopher Columbus</i></a></b>, the only <a href="./Whaleback" id="mwBW4" rel="mw:WikiLink" title="Whaleback">whaleback</a> passenger liner ever built, carried 1.8 million passengers to and from the <a href="./World's_Columbian_Exposition" id="mwBW8" rel="mw:WikiLink" title="World's Columbian Exposition">World's Columbian Exposition</a> in a single season?