When Yoda arrived with Bail, he was visited by the specter of Qui-Gon Jinn who offered to tutor Obi-Wan Kenobi, as well as Yoda himself, in the art of surviving one's death with the consciousness still intact. It was here that Bail Organa chose to adopt Leia into his family. The colony also housed the medical facilities in which PadmГ© Amidala gave birth to the twins Luke and Leia, and subsequently died because she lost the will to live.

Far from any major hyperlane, the remote settlement served as an emergency sanctuary for the Jedi after Order 66, during the rise of the Empire and Palpatine's Great Jedi Purge. Polis Massa was technically a loyal part of the Galactic Republic and friendly to the Jedi. Though the aliens frequented the Subterrel Sector, they had little contact with the galaxy and as a whole, the Polis Massa outpost remained remote and hidden. The Polis Massans analyzed these artifacts for organic tissue suitable for cloning. Such was the length of this project, the Kallidahin became known as Polis Massans themselves.Д®xcavations on the largest Polis Massa asteroids uncovered many prize artifacts, mostly from deep within the planetoid. The Local Dig was established over Wiyentaah. The most important find was the lost city of Wiyentaah (not far from the Research Base), discovered 59 BBY, began an archaeological mining project on this planetoid, to uncover the mysteries of the cataclysm and the native species it destroyed. They sought to prove the Eellayin were the ancestors of the Kallidahin through cloning tissue samples recovered in their digs.

Around 519 BBY, the Kallidahin from Kallidah, another world in Subterrel sector, abandoned their homeworld and under the leadership of the Archaeological Research Council of Kallidah established the Polis Massa Research Base.

Polis massa star wars