Portal:Anime and manga/Anniversaries/September/September 1

September 1:

Book releases

• 1984 – Legend of the Galactic Heroes Side Stories (vol.1) by Yoshiki Tanaka

Manga serialization

• 1969 – Triton of the Sea by Osamu Tezuka begins serialization in the Sankei Shimbun

Film releases

• 2001 – Cowboy Bebop: The Movie

OVA/ONA^{[disambiguation needed]} series

• 1991 – Slow Step (vol.4)
• 1993 – Idol Defense Force Hummingbird (vol.1)
• 1996 – Gunsmith Cats (vol.3)

Television series and specials

• 1971 – Shin Obake no Q-tarō begins airing on NTV
• 1974 – Mazinger Z finishes airing on Fuji TV
• 1996 – Neighborhood Story finishes airing on TV Asahi
• 1996 – Remi, Nobody's Girl begins airing on Fuji TV