The Wikimedia Foundation's mission to realize a world in which every single human being can freely share in the sum of all knowledge represents an ongoing challenge to staff and volunteers alike. We must find ways to make information more accessible, increase the breadth of information in each language, and close gaps in editor demographics. Most importantly, we must recognize that so long as there are disparities in information, such as the representation of women and Feminism on Wikipedia, we have yet to realize our goal of truly sharing in the sum of all human knowledge.
On February 1st, 2014, the Wikipedia Community addressed Wikipedia's gender gap by organizing the Art & Feminism Edit-a-thon, encouraging editors — female or male, novice or experienced — to contribute to pages about art, feminism, and women of all walks of life. The purpose of this event was not only to spread interest in topics needing real visibility on the encyclopedia, but also to empower women to become more involved in the community by providing a supportive framework for their contributions. With over 30 satellite Edit-a-thons running simultaneously across 4 continents and an estimated 600 attendees, this event brought us a small step closer to realizing a truly diverse user base.

Read more: https://blog.wikimedia.org/2014/02/19/wikipedias-art-feminism-edit-a-thon/