Earth-6 (Pre-Crisis)

Earth-6 was one of the many universes in the Original Multiverse. It was destroyed during the Crisis.

History
Earth-6 was shown on a map owned by Jay Garrick.

Trivia
During pre-production for Crisis on Infinite Earths, this was planned to be the earth number for Superman from Superman: The Motion Picture Anthology but this was ultimately changed to Earth-96.