German <a href="https://en.wikipedia.org/wiki/Geophysics" id="mwyA" rel="mw:WikiLink" title="Geophysics">geophysicist</a> <a href="https://en.wikipedia.org/wiki/Alfred_Wegener" id="mwyQ" rel="mw:WikiLink" title="Alfred Wegener">Alfred Wegener</a> first presents his theory of <a href="https://en.wikipedia.org/wiki/Continental_drift" id="mwyg" rel="mw:WikiLink" title="Continental drift">continental drift</a>.<sup about="#mwt128" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-24"}}' id="cite_ref-24" rel="dc:references" typeof="mw:Extension/ref"><a href="./January_6#cite_note-24" id="mwyw" style="counter-reset: mw-Ref 24;"><span class="mw-reflink-text" id="mwzA">[24]</span></a></sup>
<span class="mw-reference-text reference-text" id="mw-reference-text-cite_note-24"><cite about="#mwt125" class="citation web cs1" id="mwCVE"><a class="external text" href="https://www.awi.de/en/about-us/service/press/press-release/the-copernicus-of-geosciences-alfred-wegener-presented-his-revolutionary-theory-of-continental-drif.html" id="mwCVI" rel="mw:ExtLink nofollow">"The Copernicus of Geosciences: Alfred Wegener presented his revolutionary theory of continental drift 100 years ago - AWI"</a>. <a class="external text" href="https://web.archive.org/web/20191228232049/https://www.awi.de/en/about-us/service/press/press-release/the-copernicus-of-geosciences-alfred-wegener-presented-his-revolutionary-theory-of-continental-drif.html" id="mwCVM" rel="mw:ExtLink nofollow">Archived</a> from the original on 2019-12-28<span class="reference-accessdate" id="mwCVQ">. Retrieved <span class="nowrap" id="mwCVU">2019-12-28</span></span>.</cite><span about="#mwt125" class="Z3988" id="mwCVY" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=The+Copernicus+of+Geosciences%3A+Alfred+Wegener+presented+his+revolutionary+theory+of+continental+drift+100+years+ago+-+AWI&amp;rft_id=https%3A%2F%2Fwww.awi.de%2Fen%2Fabout-us%2Fservice%2Fpress%2Fpress-release%2Fthe-copernicus-of-geosciences-alfred-wegener-presented-his-revolutionary-theory-of-continental-drif.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AJanuary+6"></span></span>