Timeline

M300M310M3213M338M3411M3512M366M377M3811M3926M4028M411M420

with a year no year (the millennium or century is known)

2 -- The long gap (M31-M41) 119

M32 13
Years 000–099 4
  1. The Consumption of Kor'thanis Prime Campaigns 032.M32 by The Crimson SorcerersEnemy: Imperial Guard, 72nd Detachment, under Colonel Marvin Thorne Duration: 41 days active siege (+ 90 days preparation) Outcome: Total destruction; city blasted to ash; 0 Imperial survivors
  2. The First Siege of the Stone Campaigns 47–66.M32 by The Stone WardensEnemy: Ork population of Ashenmere (disorganised primitive hordes) Duration: 19 years Outcome: Pyrrhic victory: Orks were not destroyed but driven into outlying positions; the Bastion of the Last Stone was founded
  3. The Madness of Sorath Kel Campaigns 067.M32 by The Crimson SorcerersEnemy: Imperial training camp (Astra Militarum), ~5,500 soldiers Duration: 27 days siege (+ 14 days aftermath) Outcome: Total destruction; complex structure collapsed; survivors: ~200 (later hunted down and killed)
  4. The Purge of the Morgen-Stimmen Campaigns 089.M32 by The Crimson SorcerersEnemy: Thousand Sons warband „Morgen-Stimmen“ (~1,000 brothers) Duration: 183 days Outcome: Assimilation; warband dissolved; surviving ~600 brothers integrated into the Crimson Sorcerers (or killed)
Years 100–199 1
  1. The Pursuit of the Iron Cage Campaigns 199.M32—active to this day by The Pyre-MarkedEnemy: The Shadow Wings (suspected Raven Guard successor Chapter) Duration: 834+ years Outcome: Unresolved; the hunt continues
Years 200–299 2
  1. The Azurtor Undertaking Campaigns c. 212.M32 – c. 214.M32 (etwa 2 Jahre) by The Iron FlamesEnemy: Ork Waaagh (led by the Nob "Braschkull Burnt-Teeth") Duration: 18 months of intensive fighting, 6 months of consolidation Outcome: Victory for the Iron Hands; Waaagh collapsed, planet liberated
  2. The Chasms of Hagmoor Campaigns c. 241.M32, sieben Wochen by The IroncleaversEnemy: Tyranids (hive intelligence of unknown classification) Duration: seven weeks Outcome: Victory; xenos completely exterminated, world stabilised; first establishment of the Chapter as an independent force
Years 300–399 1
  1. The Campaign of the Glass Trees Campaigns 389.M32 by Die Ritter der LichtungEnemy: Craftworld Ilthariel Duration: Seven months Outcome: Victory, an envoy slainAt the same time: The Pyre-Marked
Years 400–499 1
  1. The Kessir Deployments Campaigns c. 431.M32 (etwa 9 Monate Kampf, 3 Monate Pause) by The Iron FlamesEnemy: Multiple local threats; chiefly Tyranid infiltration and a Genestealer Cult Duration: 12 months in total (concerted) Outcome: Victory; Korax Prime and the moon Kessir secured
Years 600–699 2
  1. The Hunt of Kaer Tollun Campaigns 655.M32 by Die Ritter der LichtungEnemy: Heretic cult with ties to the Fallen Duration: Eleven months Outcome: Partial victory, the target escapedAt the same time: The Crimson Reapers
  2. The Legion Wars Campaigns c. 660–680.M32 by The Crimson ReapersEnemy: Other Traitor Legion factions (Eunomia Brotherhood, Khorne warlords, rival Chaos warbands); sector-spanning conflicts Duration: 20 years (sporadic) Outcome: Consolidation of the Crimson Reapers as an independent warband; Korach Vardus as undisputed leader; acquisition of VashdrenAt the same time: The Crimson Reapers
Years 800–899 1
  1. The Raid on the Shrine World Dex'karos Campaigns 821.M32 by The Crimson ReapersEnemy: Imperial garrison (~400 Space Marines of the Imperial Fists successors); local Ecclesiarchy Duration: 47 days Outcome: Imperial evacuation; planet temporarily fallen into ruin; Crimson Reapers 38 KIA, 60+ WIA
Years 900–999 1
  1. The Annihilation of the Zangil Heresy Campaigns 914.M32 by The Crimson ReapersEnemy: Zangil Cult (Slaanesh-besotted Chaos sect, ~500 strong with daemon support); local Imperial forces Duration: 61 days Outcome: Complete eradication of the Zangil Heresy; daemon banished; world temporarily purged; Crimson Reapers 12 KIA, 40+ WIA
M33 8
  1. The Assault on Tal-Dro Campaigns 40–45.M33 by The Stone WardensEnemy: United Ork bands under „Nob“ Warbuilder Dro'tkin Duration: 5 years Outcome: Tactical victory with strategic defeat: Orks were driven from Tal-Dro but returned within two years
  2. The Great Silence Campaigns 52.M33–present by The Stone WardensEnemy: Ork population of Ashenmere (thousands of dispersed warbands) Duration: 41+ years (ongoing) Outcome: Stalemate: The conflict has passed into low-level, chronic skirmishing
  3. The Siege of Vorngard Campaigns c. 118.M33, sechs Monate by The IroncleaversEnemy: Xenos (unknown species; classified in the archives as "Fugitives") Duration: six months of intense siege Outcome: Victory; but with massive losses; fortress-monastery partially destroyed; Chapter Master Fafnir Eisenwald takes command
  4. The Burning of Shandris VII Campaigns 217.M33 by The Pyre-MarkedEnemy: Imperial garrison, c. 600 soldiers + local militia Duration: 6 weeks of siege, 2 weeks of slaughter Outcome: Total annihilation of the Imperial presence; planet under Pyre-Marked control for 6 years, until the Imperial Navy bombarded everything visible
  5. The Hesswald Campaign Campaigns c. 226.M33, zwei Monate by The IroncleaversEnemy: Tyranids, estimated at 20,000+ in total; hive intelligence "Skelmora" Duration: two months; 47 days of active combat Outcome: Victory; Tyranid swarm destroyed; world liberated; heavy losses among the Ironcleavers (89 Battle-Brothers fallen)
  6. The T'au War Campaigns c. 233.M33 (6 Monate intensive Kampf, dann kalter Krieg) by The Iron FlamesEnemy: The T'au Star Empire (southern expansion fleet under Commander Shalvaara) Duration: 6 months of intensive fighting + ongoing security operations Outcome: Stalemate; T'au withdrew, but not defeated
  7. The Ice Mantle of Glacius Prime—Internal Pacification Campaigns 342–351.M33 by The Pyre-MarkedEnemy: Rival human tribes, primitive spirits, warp intruders Duration: 9 years of intermittent fighting Outcome: Consolidation of Pyre-Marked rule; subjugation of the entire human population under central control
  8. The Burn-Clearing of Selmyr Campaigns 401.M33 by Die Ritter der LichtungEnemy: Craftworld Ilthariel Duration: Four months Outcome: Stalemate, withdrawal of both sides
M34 11
Years 000–099 1
  1. The Necron Line Campaigns 035–089.M34 by The Ash SentinelsEnemy: Necron Dynasty Kha'reth Duration: 54 years Outcome: Line held; Necron activity slowed, not defeated
Years 100–199 1
  1. The Campaign of the Blinding Darkness Campaigns c. 164.M34 (etwa acht Monate) by The Flame-BearersEnemy: Warp storm manifestations, decoherent reality Duration: eight months Outcome: Survival; the Iron Veins held, the outer positions fell
Years 300–399 1
  1. The Surf of Keth'mora Campaigns 345.M34 – 892.M36 by The Chain HuntersEnemy: The mortal population of Keth'mora, Imperial exploration fleets Duration: 2+ years of constant fighting Outcome: Pyrrhic victory for the Chain Hunters; Keth'mora remains a refuge, but has been breached several times
Years 400–499 2
  1. The First Breaching of Varr Keldane Campaigns 402.M34–409.M34 by The Carven HostEnemy: Iron Warriors Duration: Seven years Outcome: Failure; 213 dead
  2. The Kallaxis Mission Campaigns 417–423.M34 by The FirebrandsEnemy: Dark Mechanicus sanctum, isolated heretic cell Duration: 6 years of combat + 8 years of quarantine aftermath Outcome: Tactical objective achieved; strategic defeat through geneseed contamination
Years 500–599 1
  1. Der Sturm auf Grimhal Campaigns 512.M34 by Die Versiegelten SöhneEnemy: Konglomerate der Votann Duration: Neun Stunden Outcome: Feste zerstört, Blutschuld begründet
Years 600–699 1
  1. Die Brandfahrt von Kessaline Campaigns 612.M34 by Die FeuerlanzenEnemy: Iron Warriors Duration: Sieben Monate Outcome: Rückeroberung, Tod des Gründers
Years 800–899 3
  1. The Annihilation of Karthos III Campaigns M34.847 by The Serpents of RuinEnemy: Imperial forces (Astra Militarum + Adeptus Mechanicus cohort) Duration: 47 days Outcome: Strategic victory for the Serpents; planet under Slaanesh control, but with 30% population loss through annihilation/madness
  2. Die Straße von Varn Okkar Campaigns 857–860.M34 by Die FeuerlanzenEnemy: Orks Duration: Drei Jahre Outcome: Sieg, Straße gehalten
  3. The Deep Excursion Campaigns 867.M34 – 890.M34 by The Crimson TideEnemy: Tyranid bio-ships Duration: 23 years Outcome: Pyrrhic victory; fleet destroyed; return of one ship with survivors
Years 900–999 1
  1. The Fall of Gash'kar Campaigns 952.M34 – 953.M34 by The Crimson TideEnemy: Heretic cults & Imperial remnants Duration: 1 year Outcome: Pyrrhic victory; Vorannis leads the Crimson Tide through the rite of Khorne
M35 11
Years 000–099 3
  1. The Mining Rebellions of Skhaldrun Campaigns c. 000.M35 – c. 150.M36 by The Crimson HarvestersEnemy: Insurgent miners, primitive Ork raids Duration: about 1,200 years Outcome: Suppression and occupation
  2. Die Sperre von Gallen-Thur Campaigns 044.M35 by Die FeuerlanzenEnemy: Iron Warriors Duration: Elf Monate Outcome: Unentschieden, Feind abgezogen, Welt verwüstet
  3. The Silence of Kharvos Beta Campaigns 097.M35 by The Rictus ChoirEnemy: The Silent Ones (unknown xenos) Duration: 4 standard months Outcome: Tactical withdrawal, heavy losses
Years 100–199 1
  1. The Siege of Kadresh-Vor Campaigns 145–189.M35 by The Ninefold WallsEnemy: The Silicide Swarm Duration: 44 years Outcome: Pyrrhic victory
Years 200–299 2
  1. The Fall of the Ophrenne Gatewatch Campaigns 218–223.M35 by The Ninefold WallsEnemy: Imperial outpost, corrupted Duration: 5 years Outcome: Total annihilation
  2. The Siege of the Tower World Kess Campaigns 267–275.M35 by The Ninefold WallsEnemy: Zheth Brood, massive xenos swarm Duration: 8 years Outcome: Defensive withdrawal
Years 400–499 1
  1. The Masque at Ninth Lock Campaigns 418.M35 by The UnquenchedEnemy: Harlequins Duration: Nine days Outcome: Pyrrhic victory
Years 600–699 2
  1. The Raid on Kheyden III Campaigns 603.M35 (single engagement) by The NighttrespassersEnemy: Black Templars (12 brothers, under Sergeant Orthan Voss) Duration: 7 hours Outcome: Pyrrhic victory; Nighttrespasser superiority proven
  2. The First Awakening Campaigns c. 680.M35 by The Shadow WingsEnemy: Necron phalanx Duration: nine days Outcome: Tactical victory
Years 800–899 2
  1. Die Öffnung von Velmorre Campaigns 871.M35 by Die Versiegelten SöhneEnemy: Inquisition, Strafkräfte Duration: Elf Tage Outcome: Orden zerschlagen, Excommunicate Traitoris
  2. Das Schuldbuch von Orrin's Weg Campaigns 897.M35 by Die Versiegelten SöhneEnemy: Ein Eidverband der Votann Duration: Drei Wochen Outcome: Unentschieden, zwei Brüder verloren
M36 5
Years 300–399 1
  1. Die Enterung der „Heiligen Geduld“ Campaigns 388.M36 by Die VerdurstendenEnemy: Ekklesiarchie-Flotte Duration: Neun Stunden Outcome: Sieg, Schiff ausgeschlachtet
Years 600–699 2
  1. Die Schlacht im Salzgürtel Campaigns 602.M36 by Die VerdurstendenEnemy: Brazen Wardens Duration: Vier Monate Outcome: Niederlage, 317 Tote nicht geborgen
  2. The Ninety Hulls Campaigns 655–702.M36 by Die Raben des MorastsEnemy: Ork Rok fleets Duration: 47 years Outcome: Imperial victory, 600 brothers fallen
Years 700–799 2
  1. Der Fall von Kerrahn-Tor Campaigns 714.M36 by Die VerdurstendenEnemy: Imperiale Flotte Duration: Elf Tage Outcome: Teilsieg
  2. The Iron Cage of Kess'thar Campaigns 781.M36 – 795.M36 by The Crimson TideEnemy: Ork nests & Imperial rivals Duration: 14 years Outcome: Ork victory; Crimson Tide forced to leave the planet; rivalry with the Golden Sentinels intensified
M37 7
Years 000–099 1
  1. The Awakening of Vorn Kall Campaigns c. 080.M37 by The FallwingsEnemy: Necrons Duration: Seven months Outcome: Pyrrhic victory
Years 200–299 2
  1. The Drowning of the Velhaine Convoy Campaigns 207.M37 by The UnquenchedEnemy: Imperial Navy Duration: Three months Outcome: Victory
  2. The Carnival of Hive Drossmark Campaigns 214.M37 by The Rictus ChoirEnemy: Imperial garrison, Hive Drossmark Duration: 6 weeks Outcome: Complete success, hive falls into mass hysteria
Years 400–499 1
  1. The Ork Exodus of Aschtor Prime Campaigns 487–489.M37 by The FirebrandsEnemy: Ork Waaagh under Nob Rostgob (estimated 40 000+ combatants) Duration: 18 months continuous Outcome: Ork horde driven back; Ork leader slain; considerable losses (c. 120 Battle-Brothers)
Years 600–699 1
  1. The Fractured Doctrines of Kesh-Morthan Campaigns c. 650.M37 by The Shrouded OathEnemy: Rival Night Lords Warbands (The Shattered Pride, The Bleeding Choir) Duration: 24 Months Outcome: Strategic Stalemate / Political Victory
Years 800–899 2
  1. The Drift before Kharaun Campaigns 871–872.M37 by Die Raben des MorastsEnemy: Tyranid splinter swarm, plague Duration: 19 months Outcome: Fall of the Chapter
  2. The Fall of Ghennara Campaigns 893.M37 – 901.M37 (8 Imperial years) by The NighttrespassersEnemy: Black Templars (approx. 80 brothers), the world's Imperial Guard (approx. 4,000), local militias Duration: 8 years of asymmetric conflict Outcome: Imperial defeat; Nighttrespasser withdrawal; world left in chaos
M38 11
Years 100–199 1
  1. The Masque over Ystrel Campaigns 188.M38 by Die Raben des MorastsEnemy: Harlequins of the Masque of the Fading Bell Duration: 7 months Outcome: Undecided
Years 200–299 2
  1. The Ash-Clamp of Verunda Campaigns 214.M38 by Die Aschenschilde von KeraunEnemy: Heretic Astartes Duration: 2 years Outcome: Victory
  2. Germ-Outbreak Campaign Campaigns c. 231.M38 by The Sanguine ArcanaEnemy: Silent Germs (biological), Heretic Cults (organisation) Duration: eight months Outcome: Tactical withdrawal, territorial hold
Years 400–499 2
  1. The Siege of Port Ashemark Campaigns 435–437.M38 by The FirebrandsEnemy: Word Bearers warband, Chaos cultists Duration: 36 months continuous Outcome: Port city held; Chaos presence eliminated; city declared a disgrace
  2. The Fall of Veth'kai Campaigns 456.M38 – 734.M39 by The Chain HuntersEnemy: Imperial Navy, local Planetary Defence Force, Imperial Space Marines (a small force of Ultramarines) Duration: ~1 year of operations Outcome: Complete Chain Hunter victory; world becomes a Chaos vassal state
Years 600–699 2
  1. The Drowning of the Hesk Line Campaigns 611.M38 by The Carven HostEnemy: Orks Duration: 14 months Outcome: Victory
  2. The Rethax Civil War Campaigns 682.M38 – 691.M38 by 7th Rethax Armoured
Years 700–799 3
  1. Siege of Kethros-Hive (eighteen weeks) Campaigns c. 741.M38 by 89th Kethros Regiment
  2. Campaign One: Kelkast Prime and the Hunt for Morkellis Campaigns c. 752.M38 by 7th Edenmere Hunter-Killer Regiment
  3. The Siege of Kassid (20 months) Campaigns c. 783.M38 by 407th Chasseurs
Years 900–999 1
  1. The Uprising of Korvax Secundus (six months) Campaigns c. 912.M38 by 4th Grünn Jungle Drop Troops
M39 25
Years 100–199 2
  1. The Infiltration of Torren Secundus Campaigns M39.102 - M39.156 by The Serpents of RuinEnemy: Implicit hostile administration (Astra Militarum, Ecclesiarchy) Duration: 54 months Outcome: Strategic victory; planet remains nominally Imperial, but under Slaanesh cult controlAt the same time: The Siege of Vor-Terminus V (7th Edenmere Hunter-Killer Regiment)
  2. The Siege of Vor-Terminus V Campaigns c. 148.M39 by 7th Edenmere Hunter-Killer RegimentAt the same time: The Infiltration of Torren Secundus (The Serpents of Ruin)
Years 300–399 1
  1. The Second Silence Campaigns 356.M39 by The Rictus ChoirEnemy: The Silent Ones (unknown xenos) Duration: 11 days Outcome: Pyrrhic victory, disappearance of Ares Vantine
Years 400–499 2
  1. Ostrahl Campaign — against the Waaagh Grimznik Campaigns c. 420.M39 by 214th Kharzaan
  2. The Storm of Cassandra-Punkt (9 months) Campaigns c. 462.M39 by 407th Chasseurs
Years 500–599 2
  1. Die Galerien von Orvane Campaigns 512.M39 by Die HaarrisseEnemy: Astra Militarum, drei Regimenter Duration: vier Monate Outcome: Festung zerstört, Welt geräumt
  2. Hollmoor and the Silent Vow Campaigns c. 563.M39 by 7th Edenmere Hunter-Killer Regiment
Years 600–699 2
  1. The Sector of the Thousand Burnings Campaigns c. 640.M39, vier Monate by The Flames of the DamnedEnemy: Mixed Genestealer Cults and Imperial remnants (hive world militia) Duration: M39.6–M39.8 Outcome: Tactical victory for the Flames; three hive worlds pacified, but not in the Imperial sense
  2. Retribution Campaign against Sept Ma'kesh Campaigns c. 655.M39 by 187th Kaldrask
Years 700–799 2
  1. The Fall of the Laughing Ship Campaigns 754.M39 by The UnquenchedEnemy: Harlequins Duration: Forty-one hours Outcome: Defeat
  2. The Fall of Tessik Prime Campaigns 763–765.M39 by The Ash SentinelsEnemy: Chaos heresy, local rebellion Duration: 2 years Outcome: Heresy defeated; planet liberated
Years 800–899 11
  1. Vessarh Campaigns ca. 847.M39, three years after the harvest by 2nd Grünn Jungle Drop TroopsEnemy: Cultists with flamers Duration: one night Outcome: Platoon from twenty down to sixteen; Sign-Bearer Olm dead; Tobin flogged
  2. The Siege of Thorin in the Void Shaft (five months) Campaigns c. 850.M39 by 4th Grünn Jungle Drop TroopsAt the same time: The Open Suture, Thorin – the fall and the halls (2nd Grünn Jungle Drop Troops), Thorin – the ramp and the bulkhead (2nd Grünn Jungle Drop Troops), Thorin – the shaft (2nd Grünn Jungle Drop Troops) and 1 more
  3. Thorin – the fall and the halls Campaigns c. 850.M39, siege of Thorin by 2nd Grünn Jungle Drop TroopsEnemy: Waaagh! Knarzbak (orks) Duration: one day Outcome: 712 of 1,064 landed; Nob Bruzzak's champion killed; 590 reach the rampAt the same time: The Siege of Thorin in the Void Shaft (five months) (4th Grünn Jungle Drop Troops), The Open Suture, Thorin – the ramp and the bulkhead (2nd Grünn Jungle Drop Troops), Thorin – the shaft (2nd Grünn Jungle Drop Troops) and 1 more
  4. Thorin – the ramp and the bulkhead Campaigns c. 850.M39, siege of Thorin by 2nd Grünn Jungle Drop TroopsEnemy: Waaagh! Knarzbak (orks) Duration: one shift of the harbour Outcome: Eleven waves held; 117 go through the bulkhead, the rest stay outsideAt the same time: The Siege of Thorin in the Void Shaft (five months) (4th Grünn Jungle Drop Troops), The Open Suture, Thorin – the fall and the halls (2nd Grünn Jungle Drop Troops), Thorin – the shaft (2nd Grünn Jungle Drop Troops) and 1 more
  5. Thorin – the shaft Campaigns c. 850.M39, siege of Thorin by 2nd Grünn Jungle Drop TroopsEnemy: Orks climbing after them Duration: four hours Outcome: 117 reach the Valkyries on the maintenance deck; 10 and 11 Ogryn stay behind as rear guards, and with them Captain RehlAt the same time: The Siege of Thorin in the Void Shaft (five months) (4th Grünn Jungle Drop Troops), The Open Suture, Thorin – the fall and the halls (2nd Grünn Jungle Drop Troops), Thorin – the ramp and the bulkhead (2nd Grünn Jungle Drop Troops) and 1 more
  6. After Thorin – the merger and Korvax Campaigns c. 850.M39 – c. 880.M39, from the voyage home to thirty years later by 2nd Grünn Jungle Drop TroopsEnemy: Tiefbrunn cult (genestealer cult) on Korvax Secundus Duration: thirty years Outcome: The regiment no longer exists; Tobin receives the plate on KorvaxAt the same time: The Siege of Thorin in the Void Shaft (five months) (4th Grünn Jungle Drop Troops), The Open Suture, Thorin – the fall and the halls (2nd Grünn Jungle Drop Troops), Thorin – the ramp and the bulkhead (2nd Grünn Jungle Drop Troops) and 1 more
  7. The Long Watch Campaigns c. 868.M39 (Späte Große Stunde) by The Inferno AscendantEnemy: Combined Ork raider band and splinter Skaven cultists Duration: 24 months of continuous frontier defence Outcome: Tactical victory for the Chapter; strategic gratitude lacking
  8. The Deep Chamber Campaigns Campaigns c. 872.M39 – c. 884.M39 (Späte Große Stunde) by The Inferno AscendantEnemy: Multi-chamber necropolis complexes (Immortals, Crypteks, automated defences) Duration: 12 years of episodic campaigns Outcome: Partial necropolis annihilation; several sections destroyed
  9. The Heresy Resistance on Korvax Secundus (Resurgence, thirty years after Thorin, eight months) Campaigns c. 880.M39, thirty years after Thorin by 4th Grünn Jungle Drop Troops
  10. The Necron Incursion Campaigns 889.M39 (The Late End of the Great Hour) by The Inferno AscendantEnemy: Combined Necron flotilla with surface invasion Duration: 7 months of siege and counter-offensive Outcome: Victory; Necron flotilla destroyed
  11. The Dret Kaas Campaign Campaigns c. 890.M39 by The FallwingsEnemy: Necrons Duration: Eleven months Outcome: Costly stalemate
Years 900–999 3
  1. The Echoing Siege of Vorador's Crown Campaigns c. 910.M39 by The Shrouded OathEnemy: Loyalist Chapter (The Crimson Judgment), Imperial Guard, Planetary Militia Duration: 14 Months Outcome: Pyrrhic Victory / Contested Results
  2. The Great Purge of Karthak Tertius Campaigns c. 920.M39 by The WyrdwolvesEnemy: Ork clan alliance (four clans, an estimated 50,000 warriors) Duration: 7 months Outcome: Wyrdwolf victory, but with heavy losses
  3. The Siege of Matthik Campaigns c. 998.M39—Early 10th century of the 40th millennium by The StonebreakersEnemy: Ork invasion under Warboss Kag'thul; human guard under Governor Santine Duration: Seven months Outcome: Corrupted; the fortress was neither captured nor destroyed, but reduced to a laboratory-like state.
M40 28
Years 100–199 3
  1. Meridianus Prime Campaigns M40.102–M40.105 by 7th Schäl
  2. The Night War of the Kar-Thessun Cluster Campaigns c. 112.M40, zwei Jahre by The Flames of the DamnedEnemy: Several Ork Waaaghs under a local Warboss (name: Murzbatt) Duration: 24 months Outcome: Tactical Pyrrhic victory; the Orks were driven out of the sector, but at the cost of some 300 Battle-Brother losses
  3. Defence of Kressilon Campaigns c. 140.M40 by 187th Kaldrask
Years 200–299 3
  1. The Jähre Depression (about 2 years) Campaigns c. 205.M40 – c. 207.M40 by 7-Iota Schola Progenium Composite
  2. Die Brandsaison auf Merrovek Campaigns 233.M40 by Die HaarrisseEnemy: Haus Arkhuun (Khorne) Duration: elf Jahre Outcome: Unentschieden, Welt verwüstetAt the same time: Die Ernte unter den Ouhm (Die Verstummten Nägel)
  3. Die Ernte unter den Ouhm Campaigns 233–236.M40 by Die Verstummten NägelEnemy: Drukhari, Kabale des Stummen Dorns Duration: drei Jahre Outcome: PyrrhussiegAt the same time: Die Brandsaison auf Merrovek (Die Haarrisse)
Years 300–399 2
  1. Venn-Mora Gathering (twelve weeks) Campaigns c. 335.M40 by 89th Kethros Regiment
  2. The Dying of Kethis-IX (Homeworld Defence) Campaigns M40.387 - M40.389 by The Serpents of RuinEnemy: Alien xenos force (unidentified) Duration: 2 years Outcome: Pyrrhic victory; xenos driven back, but 60% of the outer Ketnis complex destroyed
Years 400–499 2
  1. Feldwegh-Eins (approximately 4 months) Campaigns c. 436.M40 by 7-Iota Schola Progenium Composite
  2. The Damnation of Kardos VII Campaigns c. 450.M40 by The WyrdwolvesEnemy: Imperium (Astra Militarum + Adeptus Mechanicus expedition) Duration: 3 months Outcome: Ambivalent—Wyrdwolf tactical withdrawal, Imperial objectives not achieved
Years 500–599 1
  1. The Corruption Pact of Kar-Thessun V Campaigns c. 553.M40, acht Monate by The Flames of the DamnedEnemy: Allied Genestealer Cults (a tri-culture union under the coordination of a Patriarch) Duration: 8 months Outcome: Strategic victory; the cult union was dissolved, but the Flames afterwards entered into a formal pact with the surviving cult factions
Years 600–699 3
  1. The Recovery of Hesperon Campaigns 611.M40 by The Weeping SeraphsEnemy: Necrons and Aeldari guardians Duration: four months Outcome: Speculum recovered
  2. The Crossing of the Crystal Aeon Campaigns c. 620.M40 – c. 658.M40 by The WyrdwolvesEnemy: Various enemies (Tyranid scouts, rival raiding parties, an unidentified psionic presence) Duration: 38 years Outcome: Wyrdwolf withdrawal and repositioning
  3. Vrastikon — against the awakening necropolis Campaigns c. 640.M40 by 214th Kharzaan
Years 700–799 4
  1. The Fall of the Saber Realm Campaigns c. 700.M40 – c. 960.M40 by The Fire-StokersEnemy: Xenos presence unknown (presumably Orks or feral Necrons) Duration: 260 years Outcome: Tactical withdrawal; territory lost, enemy not defeated
  2. The Votann Lines (Ongoing) Campaigns c. 740.M40 – c. 120.M41 by 407th Chasseurs
  3. Battle for Tamsur Campaigns c. 748.M40 by The Sanguine ArcanaEnemy: Heretic Astartes (Iron Warriors), Daemon-Engines Duration: two months Outcome: Costly; the site was evacuated afterwards
  4. The War Dance of Kath'thar Campaigns 789.M40 – Present by The Chain HuntersEnemy: T'au Empire, auxiliary forces, Imperial fleets Duration: Ongoing campaign; at least 2 decades Outcome: Stalemate; both sides have learned to respect and avoid one another
Years 800–899 4
  1. The Komathe Campaign / Sector Aurelius / Heretic insurgents and cultist separatists / 36 standard days Campaigns 813.M40 - 814.M40 by 4th Aurelius Voltigeurs
  2. The Ork Uprising of Calth Superior / Calth Sector / Ork invasion wave / 44 standard days Campaigns 856.M40 - 857.M40 by 4th Aurelius Voltigeurs
  3. The Siege Cycle of Thrace / Thrace Sector / Heretic militias and uncontrolled outlying sects / 79 standard days Campaigns 888.M40 - 889.M40 by 4th Aurelius VoltigeursAt the same time: The Siege of Kar Thonium and Kharak the Flayed (The Crimson Harvesters)
  4. The Siege of Kar Thonium and Kharak the Flayed Campaigns M40.889 by The Crimson HarvestersEnemy: World Eaters Warband (Kharak the Flayed) Duration: about 40 days Outcome: Peaceful withdrawal of the World EatersAt the same time: The Siege Cycle of Thrace / Thrace Sector / Heretic militias and uncontrolled outlying sects / 79 standard days (4th Aurelius Voltigeurs)
Years 900–999 6
  1. Corvan Prime Campaigns M40.911–M40.912 by 7th Schäl
  2. Obsidian Ring Campaigns M40.913–M40.919 by 7th Schäl
  3. The Siege of Kalvethe (Kaludis Sector, against Chaos cultists under the "Prophet" Kelvast, 280 dead, losses 7.2% of strength at deployment) Campaigns c. 925.M40 by 7th Armacron
  4. The Mapping of the Seventh Depth Campaigns c. 987.M40—mid-40th millennium by The StonebreakersEnemy: Unknown xenos entity; possibly an intelligence from the Dark Age Duration: Nine years (exploration + documentation) Outcome: Partially successful; the enemy was not eliminated but mapped and classified as a "non-threat"
  5. The Dissolution of the Cadian Relay Campaigns c. 990.M40 by The Shrouded OathEnemy: Imperial Navy (Fleet elements), Adeptus Mechanicus (Forge-World Station Epsilon), Various Loyalist PDF forces Duration: 9 Months Outcome: Operational Success / Strategic Ambiguity
  6. The Double Field Campaigns 997.M40 – 002.M41, Waaagh Murgkrall—Invasion of the Slag Reach by Order of the Second ForgeEnemy: Ork Waaagh, familiar warlord, strength ~50,000 warriors Duration: Approximately nine years Outcome: Ork Waaagh dispersed; encampment bombarded out of existence; remaining Ork strength destroyed