P3X-421
From The Stargate Omnipedia
World home to a primitive people who once worshiped the Goa'uld. After the Goa'uld's defeat to the Replicators, the S.G.C. sent Dr. Lindsay to aid the people in the consolation of their individuals and the restructuring of their society.
P3X-421 was eventually paid a visit by an Ori Prior who came to deliver the Origin religion and word of the Ori. He was led from the world by Colonel Cameron Mitchell and SG-12.
DETAILS
HOME TO - People of P3X-421
FIRST APPEARED - Origin
KEY EPISODE
Origin - An Ori Prior travels to P3X-421 to commence the people's transition to the Origin faith.