Earth 1
AKA The Sliver Age DC Universe
Keyword(s): Silver Age, Justice League of America, Pre-Crisis
Classification: Alternate Earth
Universe: Comic
First Appearance & Named: Superman Comics # 2
Named DC: Superman in Action Comics # 1136 AKA Crisis on Infinite Earths #10
On this Earth, the characters of DC Comics' Pre-crisis Sliver Age exist but are mixed with some post-crisis Modern Age cahracters. After the Earth V Adam Kelly and Dr. Geyser came to Earth DC, they altered the timeline of that Earth and split it into this. In Crisis # 10/1136, Earth 1 was combined with four other Earths to become Earth DC again.
