First consecutive multi-school collaborative Wikipedia Editathon in Japan 15 January 20237 February 2023 by Araisyohei
Wikimedia Foundation Grants and Biography Edit-a-thon in Kanagawa, Japan 28 October 202227 October 2022 by Mayonaka no osanpo and Araisyohei
Editathon at OYA Soichi Library, Japanese magazine library 22 June 202222 June 2022 by Araisyohei, YShibata WMF and Eugene Ormandy