During the [[Great Crusade]], various chroniclers and recorders had been accompanying Imperial forces as individuals, but their records were piecemeal and irregular. Following the victory at Ullanor, it was decided that a more formal and authoritative celebration of mankind's reunification was needed.{{Fn|1}} The Order of Remembrancers was ratified by the Council of Terra following a petition by [[Solomon Voss]], with the aid of [[Askarid Sha]], directly to the [[Emperor of Mankind|Emperor]] with the goal of forming an order of people to be the Imperium's memory of its foundation and reflect the truth of the Great Crusade.{{Fn|17}} The remembrancers were recruited from all levels of Terran society and from the societies of other key Imperial worlds, based on the merit of their creative gifts. Almost 4.3 million remembrancers were sent abroad in the first months following the ratification of the bill, assigned to join all the key expedition fleets active in the expanding Imperium.{{Fn|1}}