From March 23 to April 17, 2026, the “ Japan-Korea Friendship Editing Month March 2026 “, commemorating Wikipedia’s 25th anniversary, was held online. Since the start of editathon in 2024, Wikimedians from Korea and Japan have deepened their exchanges, including mutual participation in Wikimedia conferences held in both countries last year. And this spring, a four-week international editathon was held. I wrote and revised three articles related to Korea during this editathon, which I would like to introduce. The World Cup Bridge World Cup Bridge over the Han River (Glabb, Public domain, via Wikimedia Commons) While preparing the Japanese Wikipedia page for Editathon , I went to the Commons to look for a suitable photo. That’s when I found this picture of the World Cup Bridge. For me, the World Cup refers to the 2002 Japan-Korea joint FIFA World Cup , and I vividly remember the excitement at the time.…