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1Lib1Ref
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<p>#1Lib1Ref is a <a href="/facts/Wikipedia/KDRNKWnc">Wikipedia</a> campaign inviting <a href="/facts/Librarian/Tze5ktWw">librarians</a> to participate in the <a href="/facts/Online_encyclopedia/VP3XfYMM">online encyclopedia</a> project, specifically improving articles by adding <a href="/facts/Citation/V9cIWxl8">citations</a>. </p><p>The first #1Lib1Ref campaign coincided with the 15th anniversary of the founding of Wikipedia in January 2016. Based on the premise of <i>One Lib</i>rarian, <i>One Ref</i>erence, organizers estimated that if each librarian on the planet spent 15 minutes adding a citation, the combined effort would eliminate English Wikipedia's backlog of 350,000 "citation needed" notices. The inaugural, weeklong event ran from 15–23 January 2016, and employed the <a href="/facts/Hashtag/12P528G1">hashtag</a> <i>#1lib1ref</i> on various <a href="/facts/Social_media/kUIkfpIA">social media</a> platforms. </p>