Scientists announce that the <a href="https://en.wikipedia.org/wiki/Happisburgh_footprints" id="mwAUc" rel="mw:WikiLink" title="Happisburgh footprints">Happisburgh footprints</a> in <a href="https://en.wikipedia.org/wiki/Norfolk" id="mwAUg" rel="mw:WikiLink" title="Norfolk">Norfolk</a>, England, date back to more than 800,000 years ago, making them the oldest known hominid footprints outside Africa.<sup about="#mwt139" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-25"}}' id="cite_ref-25" rel="dc:references" typeof="mw:Extension/ref"><a href="./February_7#cite_note-25" id="mwAUk" style="counter-reset: mw-Ref 25;"><span class="mw-reflink-text" id="mwAUo">[25]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-25"><cite about="#mwt136" class="citation journal cs1" id="CITEREFAshtonLewisDe_GrooteDuffy2014">Ashton, Nick; Lewis, Simon G; De Groote, Isabelle; Duffy, Sarah M; Bates, Martin; Bates, Richard; Hoare, Peter; Lewis, Mark; Parfitt, Simon A; Peglar, Sylvia; Williams, Craig; Stringer, Chris (2014). <a class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3917592" id="mwB3Y" rel="mw:ExtLink nofollow">"Hominin Footprints from Early Pleistocene Deposits at Happisburgh, UK"</a>. <i id="mwB3c">PLOS ONE</i>. <b id="mwB3g">9</b> (2): e88329. <a class="mw-redirect" href="./Bibcode_(identifier)" id="mwB3k" rel="mw:WikiLink" title="Bibcode (identifier)">Bibcode</a>:<a class="external text" href="https://ui.adsabs.harvard.edu/abs/2014PLoSO...988329A" id="mwB3o" rel="mw:ExtLink nofollow">2014PLoSO...988329A</a>. <a class="mw-redirect" href="./Doi_(identifier)" id="mwB3s" rel="mw:WikiLink" title="Doi (identifier)">doi</a>:<span class="id-lock-free" id="mwB3w" title="Freely accessible"><a class="external text" href="https://doi.org/10.1371%2Fjournal.pone.0088329" id="mwB30" rel="mw:ExtLink nofollow">10.1371/journal.pone.0088329</a></span>. <a class="mw-redirect" href="./PMC_(identifier)" id="mwB34" rel="mw:WikiLink" title="PMC (identifier)">PMC</a><span id="mwB38" typeof="mw:Entity"> </span><span class="id-lock-free" id="mwB4A" title="Freely accessible"><a class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3917592" id="mwB4E" rel="mw:ExtLink nofollow">3917592</a></span>. <a class="mw-redirect" href="./PMID_(identifier)" id="mwB4I" rel="mw:WikiLink" title="PMID (identifier)">PMID</a><span id="mwB4M" typeof="mw:Entity"> </span><a class="external text" href="https://pubmed.ncbi.nlm.nih.gov/24516637" id="mwB4Q" rel="mw:ExtLink nofollow">24516637</a>.</cite><span about="#mwt136" class="Z3988" id="mwB4U" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=PLOS+ONE&amp;rft.atitle=Hominin+Footprints+from+Early+Pleistocene+Deposits+at+Happisburgh%2C+UK&amp;rft.volume=9&amp;rft.issue=2&amp;rft.pages=e88329&amp;rft.date=2014&amp;rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC3917592%23id-name%3DPMC&amp;rft_id=info%3Apmid%2F24516637&amp;rft_id=info%3Adoi%2F10.1371%2Fjournal.pone.0088329&amp;rft_id=info%3Abibcode%2F2014PLoSO...988329A&amp;rft.aulast=Ashton&amp;rft.aufirst=Nick&amp;rft.au=Lewis%2C+Simon+G&amp;rft.au=De+Groote%2C+Isabelle&amp;rft.au=Duffy%2C+Sarah+M&amp;rft.au=Bates%2C+Martin&amp;rft.au=Bates%2C+Richard&amp;rft.au=Hoare%2C+Peter&amp;rft.au=Lewis%2C+Mark&amp;rft.au=Parfitt%2C+Simon+A&amp;rft.au=Peglar%2C+Sylvia&amp;rft.au=Williams%2C+Craig&amp;rft.au=Stringer%2C+Chris&amp;rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC3917592&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AFebruary+7"></span></span>