Changes

*'''???.[[SarumM30]] ''' - Relief actionon [[Sarum]]. The [[Tech-Priests]] of Sarum swear fealty to the legion in the aftermath.{{Cite This}}*'''???.[[M30]]''' - [[Ariggata]] - Compliance action. [[Cleansing of Ariggata|Compliance achieved]] (theoretically) in concert with the [[Luna Wolves]] and [[Ultramarines]]. [[Roboute Guilliman]] spoke out against [[Angron]] in the aftermath.{{Fn|5b}}*'''???.[[M30]]''' - [[Ghenna]] - Compliance action; entire planetary population [[The Ghenna Massacre|reportedly wiped out in one night]].{{Fn|15d}}* '''???.[[M30]]''' - [[The Battle of Alpha Shalish|Alpha Shalish]] - . The 203rd Expeditionary Fleet frees the world from [[lacrymole]] occupation.{{Fn|10a}}*'''???.[[AureusM31]] ''' - The 203rd engages in a [[Auretian Technocracy War|compliance action]] in concert with the [[Sons of Horus]] [[63rd Expeditionary Fleet]]; victorious.{{Fn|23}} *'''005.[[M31]]''' - [[Battle of Isstvan III]] - ], Punitive/Reconquering action. A large World Eaters force is part of the first wave of Imperial troops deployed.{{Fn|15g}}

*'''005 .[[M31]]''' - [[Battle of Isstvan III]] - . Angron precipitates a second phase of the battle by leading the rest of his forces present down as a second wave, to wipe out the survivors of the first.{{Fn|15h}}*'''006.[[Isstvan VM31]] ''' - The [[Drop Site Massacre]] on [[Isstvan V]].{{Fn|26}}*'''008.[[M31]]''' - [[Nuceria]] - Exterminationduring the [[Shadow Crusade]]. Angron transcends to daemonhood at the battle's end.{{Fn|16e}}*'''008.[[BodtM31]] ''' - The World Eaters de facto homeworld of Bodt [[Battle of Bodt|is destroyed]] by an [[Iron Hands]]-led force.{{Fn|20b}}*'''014.[[TerraM31]] ''' - Took part in the [[Chaos]] [[Siege of the Emperor's Palace|grand assault]] on [[Terra]]; defeated.{{Fn|5b}}, {{Fn|5c}}

*'''???.[[M31]]''' - The [[Battle of Skalathrax]] - . Pitched battle against the [[Emperor's Children]]. Legion scattered in the aftermath.{{Cite This}}*'''???.[[HarmonyM31]] ''' - The [[Battle of Harmony]]{{Cite This}}*'''???.[[ArmageddonM32]] ''' - The [[Khornate|KhorneSolar Rebellion]] invasion of the world of *'''???.[[ArmageddonM41]]; defeated.{{Cite This}}*''' - The [[Bloodtorrent War]]*'''???.[[VraksM41]] ''' - The [[Siege of VraksCholercaust]]{{Cite This}}*The '''???.[[CholercaustM41]]*''' - The [[Fall of Absolom Reach]]*'''???.[[M41]]''' - The battles for the [[Herakon Cluster]]*'''444.[[M41]]''' - [[First War for Armageddon]]. [[Khornate|Khorne]] invasion of the world of [[Armageddon]]; defeated.*'''813-830.[[M41]]''' - The [[Defense Siege of Parathen CityVraks]]*'''802.[[M41]]''' The [[Solar RebellionDefense of Parathen City]]*'''999.[[AgripinaaM41]] ''' - Planetary invasion of [[Agripinaa]] during the [[The 13th Black Crusade]]; main forces repulsed.{{Fn|8}}