| Battle/Campaign |
Location |
Combatant(s) 1 |
Combatant(s) 2 |
Outcome |
Source(s)
|
| Battle of Isstvan III |
Isstvan III |
Sons of Horus
Emperor's Children traitors
Death Guard traitors
World Eaters traitors
Legio Mortis |
Luna Wolves
Emperor's Children loyalists
Death Guard loyalists
World Eaters loyalists |
Traitor victory |
Galaxy in Flames
|
| Flight of the Eisenstein |
Eisenstein |
Death Guard traitors |
Death Guard loyalists |
Loyalist victory |
The Flight of the Eisenstein
|
| Burning of Prospero |
Prospero |
Thousand Sons
Prospero Spireguard |
Space Wolves
Adeptus Custodes
Sisters of Silence |
Loyalist victory, Thousand Sons escape |
Prospero Burns (Novel)
|
| War Within the Webway |
Webway/Imperial Palace |
Custodian Guard
Sisters of Silence |
Daemons |
Webway portal sealed |
|
| Battle of the Rangda System |
Rangda System |
Dark Angels |
Sons of Horus |
Pyrrhic traitor victory |
|
| Battle of the Somnus Citadel |
Luna |
Daemonic infestation |
Death Guard loyalists
Sisters of Silence |
Loyalist victory |
The Flight of the Eisenstein
|
| Battle of Diamat |
Diamat |
Dark Angels
Loyal Imperial Army |
Traitor Imperial Army
Sons of Horus
Dark Mechanicum |
Loyalist tactical victory |
Fallen Angels
|
| Broken Key |
Medusa |
Word Bearers
Dark Mechanicus |
Iron Hands |
Traitor Escape |
Journal Tactica: Skitarii, pg. 24
|
| Drop Site Massacre |
Isstvan V |
Iron Hands
Raven Guard
Salamanders
Imperial Army |
Sons of Horus
Emperor's Children
World Eaters
Death Guard
Word Bearers
Night Lords
Iron Warriors
Alpha Legion
Legio Mortis
Traitor Army |
Traitor victory |
Fulgrim
The First Heretic
Raven's Flight
|
| Shadow Wars |
Galaxy-wide |
Shattered Legions
Knights-Errant
Blackshields |
Traitor Legions
Blackshields |
inconclusive |
|
| Battle of Signus Prime |
Signus Prime |
Daemons of Khorne |
Blood Angels |
Imperial pyrrhic victory |
Fear to Tread
|
| Schism of Mars |
Mars |
Dark Mechanicum
Legio Mortis |
Martian Mechanicum
Legio Tempestus
Imperial Fists
Imperial Army |
Traitor victory |
Mechanicum
|
| Treachery at Advex-Mors |
Advex-Mors |
Dark Angels |
Sons of Horus |
Strategic traitor victory |
White Dwarf 470, pg. 101
|
| Great Siege of Lesser Damantyne |
Lesser Damantyne |
Iron Warriors traitors |
Iron Warriors loyalists |
Traitor technical victory |
The Iron Within (Short Story)
|
| Invasion of Paramar V |
Paramar V |
Alpha Legion
Legio Fureans
Dark Mechanicum |
Adeptus Mechanicus
Legio Gryphonicus
Loyalist Iron Warriors |
Traitor victory |
|
| Battle of the Coronid Deeps |
Coronid Deeps |
Sons of Horus
Death Guard
Dark Mechanicum |
Imperial Army
Adeptus Mechanicus
Loyalist Knight Houses
Adeptus Mechanicus |
Stalemate |
|
| Battle of the Phall System |
Phall System |
Iron Warriors |
Imperial Fists |
Pyrrhic Iron Warriors victory |
|
| Battle of Ravendelve |
Kiavahr |
Raven Guard
Mechanicum
Collegia Titanica |
Alpha Legion
Tech-Priest rebels |
Strategic traitor victory |
|
| Carandiru Uprising |
Carandiru |
Raven Guard |
Sons of Horus
Emperor's Children |
Loyalist victory |
|
| Ruin of Maerdan |
Maerdan |
Legio Gryphonicus
Legio Metalica
Legio Destructor |
Legio Mortis
Legio Argentum
Legio Vulturum |
Indecisive |
|
| Battle of the Alaxxes Nebula |
Alaxxes Nebula |
Space Wolves
Dark Angels |
Alpha Legion |
Loyalist escape |
|
| Pale Stars Campaign |
Pale Stars |
Blood Angels
Salamanders
White Scars
Mechanicum
Imperial Army |
Alpha Legion
Emperor's Children
Dark Mechanicum
Traitor Army
Daemons
Cultists |
mass desvatation |
|
| Traoris Raid |
Traoris |
Salamanders survivors |
Word Bearers |
indecisive |
|
| Battle of the Perfect Fortress |
Narsis |
Emperor's Children |
Imperial Army
Raven Guard |
Loyalist victory |
|
| Chondax Campaign |
Chondax System |
Alpha Legion
Orks |
White Scars |
Loyalist Escape |
|
| Second Battle of Prospero |
Prospero System |
White Scars Loyalists |
Death Guard
White Scars Traitors |
Loyalist victory |
|
| Kolarne-Distal Incident |
Kolarne-Distal System |
White Scars |
Thousand Sons |
Traitor victory |
|
| First Siege of Hydra Cordatus |
Hydra Cordatus |
Iron Warriors |
Imperial Fists |
Traitor victory |
|
| Battle of the Furious Abyss |
Furious Abyss |
Ultramarines
Space Wolves
World Eaters loyalists
Thousand Sons loyalists
Saturnine Fleet |
Word Bearers |
Imperial pyrrhic victory |
Battle for the Abyss
|
| Battle of Calth |
Calth |
Word Bearers
Daemons |
Ultramarines
Imperial Army |
Imperial pyrrhic victory |
Know No Fear
|
| Shadow Crusade |
Ultramar
Nuceria |
World Eaters
Word Bearers |
Ultramarines |
Traitor victory |
|
| Betrayal at Ithraca |
Ithraca |
Legio Praesagius
House Orhlacc |
Word Bearers
Legio Infernus |
Traitor victory |
Adeptus Titanicus: Shadow and Iron pg.7
|
| Death of Canopus |
Canopus |
Blood Angels
Iron Hands |
Sons of Horus |
Mutual destruction |
|
| Crusade of Iron |
Ultramar |
Loyalist Mechanicum
Loyalist Knight Houses
Loyalist Imperial Army |
Dark Mechanicum
Traitor Titan Legions
Renegade Knights
Traitor Imperial Army |
Crusade of Iron |
Adeptus Titanicus: Shadow and Iron pg.7-15
|
| Doom of Bormina |
Bormina |
Legio Praesagius
House Orhlacc |
Legio Audax |
Unknown |
Adeptus Titanicus: Shadow and Iron pg.10
|
| Defence of Tyros |
Tyros |
Legio Praesagius
Ordo Sinister |
Legio Mordaxis
House Ærthegn |
Loyalist victory |
Adeptus Titanicus: Shadow and Iron pg.10
|
| Defence of the Three Planets |
Three Planets |
House Vornherr
House Vyronii |
Traitors
Blackshield Knight Houses |
Unknown |
Adeptus Titanicus: Shadow and Iron pg.9
|
| Battle of Ulixis |
Ulixis |
Legio Lysanda
Legio Oberon
Imperial Army |
Legio Infernus
Dark Mechanicum |
Loyalist victory |
Adeptus Titanicus: Shadow and Iron pg.10
|
| Ambush on Espandor |
Espandor |
Legio Praesagius
Legio Oberon
Ordo Sinister
Imperial Army |
Legio Infernus
Legio Audax |
Traitor victory |
Adeptus Titanicus: Shadow and Iron pg.11
|
| Battle of Aquila Atoll |
Zarathusa Secundus |
Legio Lysanda
House Vornherr
Imperial Army |
Legio Mordaxis |
Traitor victory |
Adeptus Titanicus: Shadow and Iron pg.13-14
|
| Battle of Drooth II |
Drooth II |
Legio Praesagius
Legio Lysanda
Legio Oberon
Ordo Sinister |
Legio Infernus
Legio Audax
Legio Mordaxis
Dark Mechanicum |
Indecisive |
Adeptus Titanicus: Shadow and Iron pg.14
|
| Percepton Campaign |
Ultramar |
Word Bearers |
Ultramarines |
Exterminatus |
|
| Battle of Armatura |
Armatura |
Word Bearers
World Eaters |
Ultramarines |
Traitor victory |
|
| Battle of Iydris |
Iydris |
Emperor's Children
Iron Warriors |
Eldar
Shattered Legions |
Traitor victory |
|
| Thramas Crusade |
Thramas Sector |
Dark Angels |
Night Lords |
Imperial victory |
|
| Fall of Baztel III |
Batzel III |
Space Wolves |
Daemons |
Webway portal sealed |
|
| Battle of Vannaheim |
Vannaheim |
Space Wolves |
Iron Warriors |
Traitor Victory |
|
| Battle of Constanix II |
Constanix II |
Raven Guard |
Dark Mechanicum
Word Bearers |
Loyalist victory |
|
| Harrowing of Lastrati |
Lastrati System |
Adeptus Mechanicus
Legio Astorum |
World Eaters
Dark Mechanicum |
Traitor Victory |
|
| Mezoan Campaign |
Mezoa |
Salamanders
Mechanicum
Imperial Fists |
Iron Warriors
Alpha Legion |
Loyalist victory |
|
| Battle of Bodt |
Bodt |
Iron Hands
Imperial Fists
Solar Auxilia |
World Eaters
Dark Mechanicum |
Loyalist victory |
|
| Isessos Genocide |
Isessos System |
Alpha Legion |
Local Imperial Defenders |
Mass famine, 90 billion dead |
|
| Battle of Dwell |
Dwell |
Sons of Horus |
Iron Hands
White Scars
Salamanders
Imperial Army
Mechanicum |
Traitor victory |
|
| Battle of Molech |
Molech |
Sons of Horus
Death Guard
House Devine |
Ultramarines
Blood Angels
Collegia Titanica
Knight Houses
Imperial Army |
Traitor victory |
Vengeful Spirit (Novel)
|
| Burning of Ohmn-Mat |
Ohmn-Mat |
Sons of Horus
Word Bearers
Traitor Imperial Army
Daemons |
Mechanicum
Iron Hands |
Mutual destruction |
|
| Bitter War |
Colchis region |
Ultramarines
Iron Hands
Imperial Fists
loyalist Thousand Sons |
Word Bearers |
Imperial victory |
|
| Siege of Baal |
Baal |
Blood Angels
Imperial Fists
Salamanders
Iron Hands |
Sons of Horus
Emperor's Children
Dark Mechanicum |
Loyalist Victory |
White Dwarf 470, pg. 103
|
| Battle for Asterius III |
Asterius III |
Imperial Army regiments
Loyalist Iron Warriors |
Emperor's Children |
|
Horus Heresy: Aeronautica Imperialis, pg. 7
|
| Reaving of the Xibana Reaches |
Xibana Reaches Sub-Sector |
Blood Angels
Iron Hands |
Sons of Horus |
Loyalist victory |
|
| Breaking of Anvillus |
Anvillus |
Various Mechanicum factions |
Various Mechanicum factions |
Unclear outcome |
|
| Xana Incursion |
Xana |
Loyalist Legions
Blackshields |
Dark Mechanicum |
Loyalist victory |
|
| Carnage of Morox |
Morox Excellus |
Loyal Imperial Army |
Traitor Imperial Army |
Loyalist Pyrrhic victory |
|
| Sangraal Campaign |
Herkaliaum |
Imperial Fists
Imperial Army |
Dark Mechanicum |
Loyalist victory |
|
| Battle of Arissak |
Arissak System |
Shattered Legions |
Sons of Horus |
Traitor victory |
|
| Battle of Perditus |
Perditus System |
Dark Angels
Iron Hands |
Death Guard |
Loyalist victory |
|
| Battle of Sotha |
Sotha |
Night Lords |
Ultramarines |
Loyalist tactical victory |
|
| Azurine Conflict |
Orcana System |
Alpha Legion |
White Scars |
Loyalist tactical victory |
Horus Heresy: Aeronautica Imperialis, pg. 8
|
| Siege of Arterac Skyfort |
Arterac Tertius |
Iron Warriors |
Blood Angels |
Traitor victory |
Horus Heresy: Aeronautica Imperialis, pg. 8
|
| Siege of Inwit |
Inwit |
Imperial Fists |
Traitor Armada |
Inwit endures |
|
| Thassos Incident |
Thassos System |
Dark Angels
Shattered Legions |
Night Lords |
Loyalist victory |
|
| Wolf King's Fury |
Vezdell Secundus |
Space Wolves |
Alpha Legion
Traitor Imperial Army |
Loyalist victory |
|
| Lorin Alpha Campaign |
Lorin Alpha region |
White Scars |
Emperor's Children
Dark Mechanicum |
Traitor Victory |
|
| Drussen Atrocity |
Drussen |
Unknown Loyalists |
Unknown Traitors |
Unknown |
|
| Scouring of Gilden's Star |
Gilden's Star System |
Blood Angels] |
Word Bearers |
inconclusive |
|
| Battle of Nyrcon |
Beta-Garmon System |
Salamanders
Imperial Army
Legio Astorum |
Emperor's Children
Legio Mortis |
Loyalist victory |
|
| Battle of Tallarn |
Tallarn |
Iron Warriors |
Misc. Imperial Forces |
Imperial victory |
Tallarn: Executioner
Tallarn: Ironclad
|
| Cataclysm of Iron |
Segmentum Pacificus/Segmentum Tempestus |
Loyalist Mechanicum |
Dark Mechanicum |
Indecisive |
|
| Battle of Tralsak |
Tralsak |
Legio Atarus
Legio Agravides
Shattered Legions |
Legio Magna
Legio Victorum
World Eaters |
Indecisive |
|
| Tarren Suppression |
Tarren IV |
Legio Defensor
Imperial Army |
rebels
Emperor's Children
Legio Cybernetica
Legio Mortis |
Traitor victory |
|
| Siege of Stromhelm |
Stromhelm |
Traitors |
Loyalists |
unknown |
Eventbrite Warhammer World: The Horus Heresy: The Siege of Stromhelm - The Siege of Stromhelm PDF
|
| Balthor Sigma Intervention |
Balthor Sigma |
Legio Osedax
Eldar |
World Eaters |
Indecisive |
|
| Scouring of the Ollanz Cluster |
Ollanz Cluster |
Legio Astorum
Iron Hands |
Legio Fureans
Emperor's Children |
Loyalist victory |
|
| Battle of Nocturne |
Nocturne |
Death Guard |
Salamanders |
Loyalist victory |
|
| War of Drakes |
Nocturne region |
Death Guard |
Salamanders|Loyalist victory |
|
| Haddon Campaign |
Haddon System |
Iron Warriors |
??? |
Traitor victory |
|
| Jarrazr Incursion |
Jarrazr |
Sisters of Silence |
Chaos |
Loyalist victory |
|
| Malagant Conflict |
Malagant |
Raven Guard
Imperial Army |
Death Guard |
Loyalist Victory |
|
| Erellian Subjugation |
Erellia |
Iron Hands
Salamanders |
Emperor's Children |
Unknown |
White Dwarf 470, pg. 105
|
| Battle of Honourum |
Honourum |
Ultramarines |
Word Bearers |
Loyalist Pyrrhic victory |
|
| Battle of the Kalium Gate |
Kalium Gate |
White Scars |
Emperor's Children |
Traitor tactical victory |
|
| Battle of Catallus |
Catallus Rift |
White Scars |
Death Guard
Emperor's Children
Daemons |
Loyalist escape |
|
| Siege of Cthonia |
Cthonia |
Imperial Fists |
Sons of Horus |
Stalemate |
White Dwarf 470, pg. 105
|
| Axandrian Incident |
Axandria IV |
Thousand Sons |
Imperial Fists
Adeptus Custodes |
Traitor strategic victory |
White Dwarf 470, pg. 105
|
| Battle of Zepath |
Ultramar |
Dark Angels |
Word Bearers
World Eaters |
Loyalist victory |
|
| Battle of Kalleth |
Kalleth |
Night Lords |
Ashen Claws |
Pyrrhic traitor victory |
|
| Second Zaramund Campaign |
Zaramund |
Fallen Angels |
Imperial Fists |
Fallen victory |
Luther: First of the Fallen (Novel), Tale of the Traitor
|
| Foricaan Campaign |
Foricaan System |
Iron Hands
Salamanders |
Iron Warriors |
Mutual Destruction |
|
| Battle of Cambrae |
Cambrae |
Adeptus Mechanicus
Blackshields |
Sons of Horus |
Loyalist victory |
|
| Solar War |
Sol System |
Loyalist Legions
Imperial Army
Mechanicum |
Traitor Legions
Dark Mechanicum
Traitor Imperial Army |
Traitor Victory |
|
| Battle of Pluto |
Pluto |
Imperial Fists
Imperial Army |
Alpha Legion |
Imperial victory |
|
| Battle of Desperation |
Desperation |
Night Lords |
Ultramarines
Ashen Claws |
Indecisive |
|
| Harrowing of Pyrrhan |
Pyrrhan |
Ultramarines
Blood Angels
Dark Angels |
Daemons |
Loyalist Victory |
|
| Second Battle of Davin |
Davin |
Blood Angels
Ultramarines
Dark Angels |
Daemons |
Loyalist Victory |
|
| Subjugation of Tyrinth |
Tyrinth Commonwealth |
Death Guard |
Tyrinth Forces |
Traitor Victory |
|
| Argolian Massacres |
Argolian Sub-Sector |
Word Bearers |
Refugees |
Traitor Victory |
|
| Battle of Trisolian |
Trisolian System |
Space Wolves
Adeptus Mechanicus |
Sons of Horus
World Eaters
Iron Warriors
Night Lords
Alpha Legion
Word Bearers
Dark Mechanicum |
Loyalist escape |
|
| Battle of Absolom |
Absolom |
Adeptus Mechanicus |
Dark Mechanicum |
Traitor Victory |
|
| Battle of Krade |
Krade |
Iron Warriors |
Ultramarines
Imperial Army |
Traitor Retreat |
|
| Battle of Beta-Garmon |
Beta-Garmon |
Collegia Titanica
Skitarii
Taghmata Omnissiah
Knights
Imperial Fists
Blood Angels
White Scars
Salamanders
Imperial Army |
Sons of Horus
Dark Mechanicum
Renegade Knights
Iron Warriors
Word Bearers
Emperor's Children
Traitor Imperial Army
Lost and the Damned |
Traitor victory |
|
| Battle of Yarant |
Yarant III |
Space Wolves
Raven Guard |
Sons of Horus
Alpha Legion
Thousand Sons
World Eaters |
Loyalist escape |
|
| Battle of Heta-Gladius |
Heta-Gladius |
Sons of Horus |
Imperial Fists
Blood Angels
Imperial Armada |
Traitor withdrawal |
|
| Battle of Deluge |
Deluge |
Iron Warriors
World Eaters (later) |
World Eaters(at first)
Ultramarines
Imperial Armada |
Traitor escape |
|
| Purging of Ynyx |
Ynyx |
Death Guard |
Mechanicum
Imperial Army |
Traitor Victory |
|
| Battle of Anuari |
Ultima Segmentum |
Ultramarines |
Word Bearers
World Eaters
Night Lords |
Loyalist Victory |
|
| Battle of the Aragna Chain |
Aragna Chain |
Iron Hands
Salamanders
Raven Guard |
Sons of Horus |
Traitor Victory |
|
| Battle of the Diavanos System |
Diavanos System |
World Eaters |
Ultramarines |
Loyalist victory |
|
| Battle of Thagria |
Thagria |
Mechanicum
Dark Angels |
Dark Mechanicum |
Loyalist victory |
|
| Battle of the Carchera System |
Carchera System |
Ultramarines |
Iron Warriors |
Loyalist victory |
|
| Burning of Vrexor |
Vrexor Sub-Sector |
Adeptus Mechanicus |
Dark Mechanicum |
|
|
| Dawn of Desolation |
Galaspar |
Space Wolves |
Death Guard |
loyalist victory |
|
| Battle of Luth Tyre |
Luth Tyre |
Dark Angels |
Death Guard
Iron Warriors |
Loyalist victory |
|
| Siege of Barbarus |
Barbarus |
Dark Angels
Space Wolves
Raven Guard |
Death Guard
Sons of Horus
Iron Warriors |
Loyalist victory |
|
| Battle of Zhao-Arkhad |
Zhao-Arkhad |
Dark Angels |
Thousand Sons
Zhao-Arkhad Mechanicum
Legio Xestobiax |
Zhao-Arkhad victory
|
| Death of Chemos |
Chemos |
Dark Angels |
Emperor's Children |
Loyalist Victory |
|
| Liberation of Saronican |
Saronican Gulf |
Ultramarines
Solar Auxilia |
World Eaters |
Loyalist victory |
|
| Ydursk Incident |
Ydrusk |
Raven Guard |
Traitor Imperial Army |
Loyalist victory |
|
| Scouring of the Pale Stars |
Pale Stars |
Salamanders |
Emperor's Children |
Traitor Victory |
|
| Raid on Luna |
Luna |
Shattered Legions |
Dark Mechanicum
Sons of Horus |
Tactical traitor victory, Strategic loyalist victory |
|
| Battle of Terra |
Terra |
Sons of Horus
Emperor's Children
Death Guard
World Eaters
Word Bearers
Night Lords
Iron Warriors
Thousand Sons
Dark Mechanicum
Traitor Titan Legions
Renegade Knights
Daemons
Traitor Army |
Imperial Fists
Blood Angels
White Scars
Mechanicum
Collegia Titanica
Knights
Imperial Army
Custodian Guard
Sisters of Silence |
Imperial Pyrrhic victory |
Collected Visions
|
