Colonised after Utopia Colony and New Gaia, in parallel to the foundation of Anemoi, Elysium and Halcyon. The EAA mutual colonisation model was conducted in light of the ‘inefficient’ and frankly disorganised colonisation of New Gaia.
The EAA plan was for Olympus to serve as humanities colonial capitol, overseeing the Cradle Worlds and also The Colonies. Olympus has become a center of culture and politics, and partially supplanted Earth in that role. This was by design, allowing Earth to continue the slow recovery of the planet.