The <a href="https://en.wikipedia.org/wiki/Metropolitan_Railway" id="mwdg" rel="mw:WikiLink" title="Metropolitan Railway">Metropolitan Railway</a>, the world's oldest underground railway, opens between <a href="https://en.wikipedia.org/wiki/Paddington_tube_station_(Circle_and_Hammersmith_&amp;_City_lines)" id="mwdw" rel="mw:WikiLink" title="Paddington tube station (Circle and Hammersmith &amp; City lines)">Paddington</a> and <a href="https://en.wikipedia.org/wiki/Farringdon_station" id="mweA" rel="mw:WikiLink" title="Farringdon station">Farringdon</a>, marking the beginning of the <a href="https://en.wikipedia.org/wiki/London_Underground" id="mweQ" rel="mw:WikiLink" title="London Underground">London Underground</a>.<sup about="#mwt75" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-13"}}' id="cite_ref-13" rel="dc:references" typeof="mw:Extension/ref"><a href="./January_10#cite_note-13" id="mweg" style="counter-reset: mw-Ref 13;"><span class="mw-reflink-text" id="mwew">[13]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-13"><cite about="#mwt72" class="citation book cs1" id="CITEREFNorton1969">Norton, Graham (1969). <i id="mwB8s">Victorian London: How to Find Your Way Round the Growing Metropolis of Queen Victoria's Reign</i>. London: Macdonald. p.<span id="mwB8w" typeof="mw:Entity"> </span>73. <a class="mw-redirect" href="./OCLC_(identifier)" id="mwB80" rel="mw:WikiLink" title="OCLC (identifier)">OCLC</a><span id="mwB84" typeof="mw:Entity"> </span><a class="external text" href="https://www.worldcat.org/oclc/1008524765" id="mwB88" rel="mw:ExtLink nofollow">1008524765</a>.</cite><span about="#mwt72" class="Z3988" id="mwB9A" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Victorian+London%3A+How+to+Find+Your+Way+Round+the+Growing+Metropolis+of+Queen+Victoria%27s+Reign&amp;rft.place=London&amp;rft.pages=73&amp;rft.pub=Macdonald&amp;rft.date=1969&amp;rft_id=info%3Aoclcnum%2F1008524765&amp;rft.aulast=Norton&amp;rft.aufirst=Graham&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AJanuary+10"></span></span>