(Shrine of the holy three kings in Cologne's Cathedral)
*In hoc signum vinces
(conquer by this sign)
Barbarossa's chancellor was the Archbishop of Mainz, Reinald von Dassel, who was in charge of the transfer of the relics from Milan to Koeln (Cologne) on the Rhine after Barbaross�as victory over Milan.. The convoy with the relics arrived triumphantly in Cologne on July 23rd 1164.