The United Planets, founded sometime before or during the 25th century, was an intergalactic nation mainly located in the Milky Way Galaxy, although there were a considerable number of other member planets in other galaxies, at least this was the case by the 30th century.
- Sol system
- Bizarro World
- Talok system
- Antares system
Neighboring space nations
- United Planets first appeared in Adventure Comics # 340 (January 1966).
- ↑ As seen in Super Heroes and Super-Villains (A Big Golden Picture Book).
- ↑ As seen in Super Friends # 24 (Latin American series).
- ↑ For more information about that DC comic book, click here.