Halo Nation

Callisto Treaty

9,732pages on
this wiki
Add New Page
Add New Page Talk0

The Callisto Treaty is the name of the document signed in 2170 with which the Koslovics and Frieden Commanders formally surrendered to the United Nations, officially ending the Interplanetary War.[1] The treaty was likely signed on the Jovian moon Callisto, hence its name.


Also on Fandom

Random Wiki