DC
Released August 1963
Justice League of America #21
Published
August 1963
No synopsis available.
Key Facts
- First meeting of the Justice Society of America and the Justice League of America
- First meeting of Green Arrow and Black Canary
- First meeting and team-up of Alan Scott, the Golden Age Green Lantern and Hal Jordan, the Silver Age Green Lantern
- 1st appearance of Dr. Fate and Hourman in the Silver Age
- 2nd appearance of Chronos
- "Crisis on Earth" part 1
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