Changes

After the Heresy Guilliman took command of the entirety of the Imperial armed forces and took the title of Lord Commander in order to stabilize the Imperium and begin the reforms for which he is famous. He was the only person in the history of the Imperium to control all of the Imperial armed forces (before this, the Imperial war machine was administered by the [[War Council]]). The Lord Commander of the Imperium was one of the [[Senatorum Imperialis|High Lords of Terra ]] during its use. {{Fn|1}}

Even after Guilliman's wounding at the hands of [[Fulgrim]], the title of Lord of Commander of the Imperium was still used and its holder served as both chairman of the High Lords and commander-in-chief of the Imperium's disparate military forces. In honor of the Primarch, the Lord Commander was often simply referred to as "Lord Guilliman". The title is no longer used as of [[M41]], but continued at least until mid-[[M32]]. Known holders of the title during this time include [[Udin Macht Udo]]{{Fn|2}} and [[Chapter Master]]s [[Koorland]] and [[Maximus Thane]]. In The position of Lord Commander of the aftermath of Imperium was used for at least a century after the [[War of the Beast]] and [[The Beheading]].{{Fn|3}} By the time of the [[Age of Apostasy]], the office was no longer a position of Lord Commander of the Imperium was abolishedHigh Lords.{{Fn|36}}

*{{Endn|3}}: [[The Beheading (Novel)]] {{Cite this}}, Chapter 16