Portal:Anime and manga/Anniversaries/May/May 11
Manga serialization
- 1983 – Queen Millennia by Leiji Matsumoto finishes serialization in the Sankei Shimbun and Nishinippon Sports newspapers
Television series and specials
- 1971 – Undersea Boy Marine begins airing on NTV
- 2002 – Genma Wars finishes airing on AT-X