<a href="https://en.wikipedia.org/wiki/Ernest_Shackleton" id="mwzQ" rel="mw:WikiLink" title="Ernest Shackleton">Ernest Shackleton</a>'s expedition finds the magnetic <a href="https://en.wikipedia.org/wiki/South_Pole" id="mwzg" rel="mw:WikiLink" title="South Pole">South Pole</a>.<sup about="#mwt111" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-19"}}' id="cite_ref-19" rel="dc:references" typeof="mw:Extension/ref"><a href="./January_16#cite_note-19" id="mwzw" style="counter-reset: mw-Ref 19;"><span class="mw-reflink-text" id="mw0A">[19]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-19"><cite about="#mwt108" class="citation book cs1" id="CITEREFR._K._Headland1989">R. K. Headland (1989). <a class="external text" href="https://books.google.com/books?id=Sg49AAAAIAAJ&amp;pg=PA240" id="mwCDQ" rel="mw:ExtLink nofollow"><i id="mwCDU">Chronological List of Antarctic Expeditions and Related Historical Events</i></a>. Cambridge University Press. p.<span id="mwCDY" typeof="mw:Entity"> </span>240. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwCDc" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwCDg" typeof="mw:Entity"> </span><a href="./Special:BookSources/978-0-521-30903-5" id="mwCDk" rel="mw:WikiLink" title="Special:BookSources/978-0-521-30903-5"><bdi id="mwCDo">978-0-521-30903-5</bdi></a>.</cite><span about="#mwt108" class="Z3988" id="mwCDs" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Chronological+List+of+Antarctic+Expeditions+and+Related+Historical+Events&amp;rft.pages=240&amp;rft.pub=Cambridge+University+Press&amp;rft.date=1989&amp;rft.isbn=978-0-521-30903-5&amp;rft.au=R.+K.+Headland&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DSg49AAAAIAAJ%26pg%3DPA240&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AJanuary+16"></span></span>