The “Cultural Heritage and Notable Figures” campaign is Wikimedia Ukraine’s annual initiative that brings people together to preserve and promote Ukraine’s cultural heritage on Wikipedia. Participants create and improve articles about historical landmarks and the people who have shaped — and continue to shape — Ukraine. In the summer 2025, participants created or significantly improved 570 articles, including 137 focused on Crimean Tatar cultural heritage. This is one of the most popular campaigns we run, and it resulted in hundreds of articles that are now accessible to readers and help deepen understanding of Ukraine’s cultural legacy. Among the newly created and improved articles about heritage sites are entries on the Brotherhood Building of the Assumption Cathedral in Kharkiv and the isars of the Crimean mountains — remains of medieval fortifications, monasteries, and castles located in hard-to-reach areas. The campaign also included many articles about notable individuals.…