<a href="https://en.wikipedia.org/wiki/Donald_Johanson" id="mw_A" rel="mw:WikiLink" title="Donald Johanson">Donald Johanson</a> and Tom Gray discover the 40% complete <i id="mw_Q"><a href="https://en.wikipedia.org/wiki/Australopithecus_afarensis" id="mw_g" rel="mw:WikiLink" title="Australopithecus afarensis">Australopithecus afarensis</a></i> skeleton, nicknamed "<a href="https://en.wikipedia.org/wiki/Lucy_(Australopithecus)" id="mw_w" rel="mw:WikiLink" title="Lucy (Australopithecus)">Lucy</a>" (after <a href="https://en.wikipedia.org/wiki/The_Beatles" id="mwAQA" rel="mw:WikiLink" title="The Beatles">The Beatles</a> song "<a href="https://en.wikipedia.org/wiki/Lucy_in_the_Sky_with_Diamonds" id="mwAQE" rel="mw:WikiLink" title="Lucy in the Sky with Diamonds">Lucy in the Sky with Diamonds</a>"), in the <a href="https://en.wikipedia.org/wiki/Awash_River" id="mwAQI" rel="mw:WikiLink" title="Awash River">Awash Valley</a> of <a href="https://en.wikipedia.org/wiki/Ethiopia" id="mwAQM" rel="mw:WikiLink" title="Ethiopia">Ethiopia</a>'s <a href="https://en.wikipedia.org/wiki/Afar_Triangle" id="mwAQQ" rel="mw:WikiLink" title="Afar Triangle">Afar Depression</a>.