Crystal Men-Rock Men War

The Crystal Men and the Rock Men decide to resolve their differences peacefully, thus ending the Crystal Men/Rock Men War.[1]

The Crystal Men/Rock Men War was a conflict that was fought between two alien races. The Crystal Men and the Rock Men.

It's not entirely certain as to how the conflict started,[2] but it was ended when the Justice League of America forced them to stop fighting, because the Rock Men had developed a weapon that was capable of destroying the entire solar system, and they had to stop before endless killing continued.[3]


  1. As seen in Between Two Armies.
  2. It is possible that the Crystal Men stole the design of the Rock Men's space craft, or vice versa, since both species possessed similar technology.
  3. As seen in Between Two Armies.
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