Historical runes have been discovered in 50 churches across Gotland, Sweden, most notably in the plaster on their walls. Laila Kitzler Åhfeldt, a rune expert from the National Heritage Board, emphasizes that Gotland's well-preserved medieval churches contain as many runes as all the stave churches in Norway combined. One significant discovery includes a carving in Hejnum church that reads, "William was here," showcasing the personal touches left by individuals centuries ago.

Currently, a project is underway to document these "run-graffiti" using photogrammetry to create high-resolution 3D models of the inscriptions. This initiative is crucial, as the runes are at risk of being lost due to deterioration; falling plaster or damage to the walls could cause these historical inscriptions to vanish. Experts are keen to record these artifacts before it’s too late, emphasizing the importance of these historical connections to the past and their cultural significance.

The video accompanying the article features the runes and provides insights from rune expert Magnus Källström, who notes the creative expressions found in places like the sacristy at Hejnum that showcase the personalities of the early church figures. This project not only aims to preserve the runes but also to educate the public about the rich historical tapestry found within Sweden's medieval churches and the stories they hold.