Changes

|The primitive [[Tau]] are discovered by the [[Adeptus Mechanicus]] explorator vessel ''[[Land's Vision]]''discovers [[T'au]] and its [[Tau|Stone Age inhabitants]]. Subsequent [[Warp storm]]s prevent all Imperial colonization attempts.|[[Codex: Tau Empire (4th 3rd Edition)]]|-|843pg.M35|Distress call from 4; [[Grendel's WorldCodex: Tau Empire (4th Edition)]] investigatedpg. Planet discovered to have been attacked and all inhabitants slain by terror tactics of the [[Night Lords]].|4

|The Cataclysm of Souls: the Ecclesiarchy begin begins to rebuild the sundered Imperium as a religious state, entering into wars of faith with the forces of Nova Terra. The [[Dark Angels]] take part in order to pursue the Fallen.