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National Library of Israel Service counter IMG 4500.JPG
An Israeli librarian using Wikipedia (publicity photo for the project)
Date15 January 2016 (2016-01-15)

#1Lib1Ref ("One Librarian, One Reference") was a Wikipedia publicity drive that asked every librarian on Earth to mark the 15th anniversary of the foundation of Wikipedia, on 15 January 2016, by adding a citation to the online encyclopedia.[1][2][3]

The organisers estimated that if each librarian on the planet spent 15 minutes adding a citation, then the English Wikipedia's backlog of 350,000 [citation needed] templates would be cleared.[4]

The weeklong event, which ran from 15-23 January 2016, used the hashtag "#1lib1ref".[5]

The campaign became an annual event celebrating Wikipedia's birthday.[6] In 2017 and 2018, the "#1lib1ref" campaign expanded to a three-week event.[7]

The campaign is part of the Wikimedia foundation's GLAM outreach strategy; to involve librarians in the improvement of wikipedia.[8]


As of the end of the campaign, 1,232 revisions on 879 pages, by 327 users in 9 languages used the hashtag #1lib1ref in the edit summary with the total edit count estimated to be around 50% below the actual number. Furthermore the hashtag was used in 1100 Twitter posts by over 630 users.[9]


  1. ^ Rust, Amanda (14 January 2016). "#1Lib1Ref: Imagine a World Where Every Librarian Added One More Reference to Wikipedia". Retrieved 15 January 2016.
  2. ^ "#1Lib1Ref ACRL TechConnect Blog". ACRL. 15 January 2016. Retrieved 15 January 2016.
  3. ^ Scheeder, Donna (15 January 2016). "Wikipedia birthday greetings". International Federation of Library Associations and Institutions. Retrieved 15 January 2016.
  4. ^ "The Wikipedia Library/1Lib1Ref". Wikimedia Foundation. Retrieved 15 January 2016.
  5. ^ Stinson, Alex (15 January 2016). "#1Lib1Ref: Help Celebrate Wikipedia's Birthday during 15-23 January by Adding a Reference". Retrieved 15 January 2016.
  6. ^ "Springfield, Greene County librarians add to Wikipedia #1Lib1Ref campaign. You can, too". Springfield News-Leader. Retrieved 2018-05-13.
  7. ^ "1Lib1Ref". Folgerpedia. Folger Shakespeare Library. Retrieved 23 January 2018.
  8. ^ "Wikipedia's 2018 #1lib1ref Campaign* | Idaho Commission for Libraries". libraries.idaho.gov. Retrieved 2018-05-13.
  9. ^ "1Lib1Ref Lessons - Outcomes by the numbers[edit]". Retrieved 11 December 2016.

External links[edit]