The Alpha Centauri Concordium of Planets was a metagovernmental body in the Alpha Centauri system, founded in the year 2020 to unify the Centaurii races. In 2071, the human colony of Alpha Centauri II was admitted to the Concordium. The Concordium was a member of the United Federation of Planets, and was sometimes referred to simply as the Centauri Concord. (Star Fleet Technical Manual, Star Trek: Pendragon)