Horus Heresy · atlas

Annals · 205 events · 7 eras

Chronology of the Horus Heresy

The whole annals of the war on one page: 205 events in 7 eras — from the eve of the storm to the Great Scouring. Dates follow the atlas timeline; approximate ones are marked “≈”, disputed ones “disputed” (the explanation is on the event page).

Eve of the Storm

964.M30 — 003.M31 · 15 events · Ullanor · Nikaea · Monarchia · Open the era in the atlas

  1. 964.M30 disputed Razing of Monarchia Loyalist victory Khur / Monarchia
  2. 964.M30 disputed Lorgar’s Pilgrimage Traitor victory Eye of Terror
  3. about 999.M30 The Cheraut Incident · Curze assaults Dorn Atrocity Cheraut System
  4. about 999.M30 Battle of Sarosh Loyalist victory Sarosh
  5. about 999.M30 Fall of the Lords of Gardinaal Loyalist victory Gardinaal
  6. 000.M31 disputed Ullanor Triumph Loyalist victory Ullanor
  7. 000.M31 disputed Battle of Sixty-Three Nineteen Loyalist victory Sixty-Three Nineteen
  8. about 000.M31 Chondax Campaign Begins Inconclusive Chondax System
  9. about 000.M31 Murder and the Interex · theft of the anathame Atrocity Xenobia
  10. about 000.M31 The Great Work: founding of the Webway project · Malcador as Regent Inconclusive Terra
  11. about 000.M31 Compliance of Aghoru and the Ark Reach Cluster Loyalist victory Aghoru / Ark Reach Cluster
  12. 001.M31 Council of Nikaea Inconclusive Nikaea
  13. 001.M31 disputed Cleansing of Laeran Atrocity Laeran
  14. 003.M31 Contact Lost with Isstvan Inconclusive Isstvan System
  15. about 003.M31 Nurthene War Pyrrhic loyalist victory Nurth

The Fall

004.M31 — 005.M31 · 16 events · Davin · Prospero · Isstvan III · Open the era in the atlas

  1. about 004.M31 Vulpa Straits Hrud Migration Traitor victory Gholgis
  2. about 004.M31 Cleansing of Arigatta Loyalist victory Arigatta
  3. 004.M31 disputed Battle of Davin’s Moon Atrocity Davin
  4. about 004.M31 Magnus’ Folly: the Webway Breach Atrocity Terra
  5. about 004.M31 Writ of Censure against the Thousand Sons Inconclusive Prospero
  6. about 004.M31 Destruction of the Auretian Technocracy Traitor victory Auretian Technocracy
  7. 004.M31 disputed Burning of Prospero Pyrrhic loyalist victory Prospero
  8. 005.M31 disputed Isstvan III Atrocity Pyrrhic traitor victory Isstvan System
  9. 005.M31 disputed Flight of the Eisenstein Loyalist victory Isstvan System
  10. about 005.M31 Battle of the Somnus Citadel Loyalist victory Luna
  11. 005.M31 Battle of Diamat Loyalist victory Diamat
  12. about 005.M31 Edict of Dissolution Inconclusive Terra
  13. 005.M31 Schism of Mars · the “Death of Innocence” Traitor victory Mars
  14. about 005.M31 The Baal Muster · advance on Signus Inconclusive Baal
  15. 005.M31 disputed War Within the Webway Inconclusive Terra
  16. 005.M31 Knights-Errant Founded Loyalist victory Terra

The Isstvan Massacre

006.M31 · 15 events · Drop Site Massacre · Signus · Open the era in the atlas

  1. about 006.M31 Battle of Magma City Pyrrhic loyalist victory Mars
  2. about 006.M31 Phobos Raid Loyalist victory Mars
  3. about 006.M31 Assault on Phaeton Pyrrhic loyalist victory Phaeton
  4. about 006.M31 Sundering of Zhao-Arkhad Inconclusive Zhao-Arkhad
  5. about 006.M31 Broken Key Traitor victory Medusa
  6. about 006.M31 Purging of Taral III Loyalist victory Taral III
  7. 006.M31 Great Siege of Lesser Damantyne Pyrrhic traitor victory Lesser Damantyne
  8. about 006.M31 Treachery at Advex-Mors Traitor victory Advex-Mors
  9. 006.M31 First Battle of Paramar Traitor victory Paramar V
  10. about 006.M31 Battle of the Rangda System Pyrrhic traitor victory Rangda System
  11. about 006.M31 Scourging of the Cyclops Cluster Traitor victory Cyclops Cluster
  12. 006.M31 Drop Site Massacre on Isstvan V Atrocity Isstvan System
  13. 006.M31 disputed The Signus Campaign · Signus Prime Pyrrhic loyalist victory Signus Cluster
  14. about 006.M31 Battle of Ravendelve Pyrrhic loyalist victory Deliverance / Kiavahr
  15. about 006.M31 Defence of Agathon Inconclusive Agathon

Shadow of War

007.M31 — 009.M31 · 66 events · Calth · Ruinstorm · Imperium Secundus · Molech · Open the era in the atlas

  1. about 007.M31 Raid on Cruciax Loyalist victory Cruciax
  2. about 007.M31 Kolarne-Distal Incident Traitor victory Kolarne-Distal
  3. about 007.M31 Chondax Campaign Concludes Pyrrhic loyalist victory Chondax System
  4. about 007.M31 Deliverance Lost Pyrrhic loyalist victory Deliverance / Kiavahr
  5. about 007.M31 Perditum Incursion · Mars Inconclusive Mars
  6. about 007.M31 Theft of the Kryptos · raid on Cavor Sarta Loyalist victory Cavor Sarta
  7. about 007.M31 Raid on Traoris · the fulgurite Traitor victory Traoris
  8. about 007.M31 Battle of Oqueth Minor · rise of Meduson Traitor victory Oqueth Minor
  9. 007.M31 Battle of Calth Pyrrhic loyalist victory Calth
  10. 007.M31 Betrayal at Ithraca Pyrrhic traitor victory Calth
  11. 007.M31 disputed Underworld War of Calth Loyalist victory Calth
  12. 007.M31 Birth of the Ruinstorm Atrocity Calth
  13. 007.M31 disputed Battle of Phall Inconclusive Phall System
  14. about 007.M31 Battle of the Furious Abyss Pyrrhic loyalist victory Furious Abyss
  15. about 007.M31 Battle of the Alaxxes Nebula Pyrrhic loyalist victory Alaxxes Nebula
  16. about 007.M31 Battle of Armatura Traitor victory Armatura
  17. about 007.M31 Battle of Iydris · Angel Exterminatus Traitor victory Iydris
  18. 007.M31 First Siege of Hydra Cordatus Traitor victory Hydra Cordatus
  19. about 007.M31 Siege of the Perfect Fortress · Narsis Loyalist victory Narsis
  20. about 007.M31 Siege of Olympia Atrocity Olympia
  21. about 007.M31 Second Battle of Prospero Loyalist victory Prospero
  22. 007.M31 disputed Manachean War · the Coronid Deeps Inconclusive Coronid Deeps
  23. about 007.M31 Treachery at Port Maw Traitor victory Port Maw
  24. about 007.M31 Gethsamaine Raid Atrocity Coronid Deeps
  25. 007.M31 disputed Shadow Crusade Inconclusive Calth
  26. about 007.M31 Shattered Legions Campaign Inconclusive Isstvan System
  27. 007.M31 disputed Thramas Crusade Inconclusive Thramas Sector
  28. about 008.M31 Doom of Bormina Traitor victory Armatura
  29. about 008.M31 Defence of Tyros Loyalist victory Armatura
  30. about 008.M31 Second Battle of Paramar Traitor victory Paramar V
  31. 008.M31 disputed Battle of Nuceria · ascension of Angron Traitor victory Nuceria
  32. about 008.M31 Blood Angels Reach Macragge Loyalist victory Macragge
  33. 008.M31 Battle of Hive Ilium Traitor victory Coronid Deeps
  34. about 008.M31 Argolian Massacres Atrocity Argolian Sub-Sector
  35. 008.M31 disputed Mezoan Campaign Loyalist victory Mezoa
  36. about 008.M31 Scarato Uprising Loyalist victory Scarato
  37. about 008.M31 Raid on Kapel-5642A Loyalist victory Kapel-5642A
  38. 008.M31 disputed Battle of Percepton Primus Pyrrhic loyalist victory Percepton Primus
  39. 008.M31 Ruin of Maerdan Inconclusive Maerdan
  40. about 008.M31 Destruction of Triplex Galatia Loyalist victory Triplex Phall
  41. 008.M31 Destruction of Bodt Loyalist victory Bodt
  42. 008.M31 Fall of Baztel III Loyalist victory Baztel III
  43. 008.M31 Vannaheim Space Drop Traitor victory Vannaheim
  44. 008.M31 Burning Grave of Ohmn-Mat Inconclusive Ohmn-Mat
  45. about 008.M31 Pale Stars Campaign Inconclusive Pale Stars
  46. 008.M31 Blight of Isessos Atrocity Isessos System
  47. about 008.M31 Ambush on Espandor Traitor victory Espandor
  48. about 008.M31 Battle of Aquila Atoll Traitor victory Zarathusa Secundus
  49. about 008.M31 Battle of Drooth II Inconclusive Drooth II
  50. about 008.M31 Battle of Constanix II Loyalist victory Constanix II
  51. about 008.M31 Carandiru Uprising Loyalist victory Carandiru
  52. about 008.M31 Dagonet Incident Loyalist victory Dagonet
  53. about 008.M31 Devouring of Antarras Traitor victory Antarras III
  54. 009.M31 disputed Imperium Secundus Proclaimed Loyalist victory Macragge
  55. about 009.M31 Assassination Attempt at Hydra Cordatus Inconclusive Hydra Cordatus
  56. 009.M31 Tsagualsa Incident Pyrrhic loyalist victory Tsagualsa
  57. 009.M31 Battle of Perditus Loyalist victory Perditus System
  58. 009.M31 Incident at Dwell Traitor victory Dwell
  59. about 009.M31 Vulkan Escapes the Nightfall Loyalist victory Macragge
  60. 009.M31 disputed Battle of Sotha · seizure of the Pharos Pyrrhic loyalist victory Sotha
  61. about 009.M31 Rebirth of Vulkan · Deathfire Loyalist victory Nocturne
  62. 009.M31 Xana Incursion Loyalist victory Xana II
  63. 009.M31 Defence of Nagathar Loyalist victory Nagathar System
  64. 009.M31 Battle of Arissak · destruction of Meduson’s fleet Traitor victory Arissak
  65. about 009.M31 Battle of Eirene Septimus Traitor victory Eirene Septimus
  66. 009.M31 Battle of Molech Traitor victory Molech

The Road to Terra

010.M31 — 012.M31 · 45 events · Tallarn · The Path of Heaven · Second Battle of Davin · Nyrcon · Open the era in the atlas

  1. about 010.M31 Damnation of Pythos Atrocity Pythos
  2. about 010.M31 Escape from Laedrgeist Loyalist victory Laedrgeist
  3. about 010.M31 Battle of Hamart III Loyalist victory Hamart III
  4. about 010.M31 Battle of the Zanaeh Gulf · return of Vulkan Loyalist victory Zanaeh Gulf
  5. 010.M31 Battle of Nyrcon · Beta-Garmon Loyalist victory Beta-Garmon Cluster
  6. 010.M31 Scouring of Gilden’s Star Pyrrhic loyalist victory Gilden’s Star
  7. about 010.M31 Trial of Konrad Curze Inconclusive Macragge
  8. 010.M31 Cataclysm of Iron Inconclusive Belt of Iron
  9. 010.M31 Drussen Atrocity Atrocity Drussen
  10. 010.M31 disputed Battle of Tallarn Loyalist victory Tallarn
  11. about 010.M31 Defence of Ryza Loyalist victory Ryza
  12. 010.M31 disputed First Battle of Pluto Loyalist victory Pluto
  13. about 010.M31 Fate of the Sabalis Liberatus Loyalist victory Galaspar
  14. 011.M31 disputed Battle of the Kalium Gate Traitor victory Kalium Gate
  15. 011.M31 disputed Battle of the Aragna Chain · death of Meduson Traitor victory Aragna Chain
  16. 011.M31 disputed Battle of Catallus · the Dark Glass Pyrrhic loyalist victory Catallus Rift
  17. about 011.M31 The Path of Heaven Pyrrhic loyalist victory Catallus Rift
  18. 011.M31 Battle of Zepath Loyalist victory Zepath System
  19. 011.M31 Battle of Tralsak Inconclusive Tralsak
  20. 011.M31 Malagant Conflict Loyalist victory Malagant
  21. 011.M31 The Marches of Madness Atrocity Nuceria
  22. about 011.M31 Lorin Alpha Campaign Traitor victory Lorin Alpha
  23. 011.M31 disputed Guilliman Renounces Imperium Secundus Loyalist victory Macragge
  24. about 011.M31 Battle of Krade Loyalist victory Krade
  25. about 011.M31 Battle of Honourum Pyrrhic loyalist victory Honourum
  26. 011.M31 disputed Battle of Heta-Gladius Traitor victory Heta-Gladius
  27. about 011.M31 Foricaan Campaign Inconclusive Foricaan System
  28. about 011.M31 Battle of Cambrae Loyalist victory Cambrae
  29. about 011.M31 Second Battle of Davin · breach of the Ruinstorm Loyalist victory Davin
  30. about 011.M31 Axandrian Incident Traitor victory Axandria IV
  31. about 011.M31 Jarrazr Incursion Loyalist victory Jarrazr
  32. about 011.M31 Battle of Desperation Inconclusive Desperation
  33. about 011.M31 Battle of Kalleth Pyrrhic traitor victory Kalleth
  34. about 011.M31 Scouring of the Nostramo Sector Inconclusive Nostramo
  35. about 011.M31 Battle of Absolom Traitor victory Absolom
  36. about 011.M31 Erellian Subjugation Inconclusive Erellia
  37. 012.M31 Battle of Trisolian Pyrrhic loyalist victory Trisolian System
  38. 012.M31 Battle of Yarant Pyrrhic loyalist victory Yarant III
  39. about 012.M31 Thassos Incident Loyalist victory Thassos
  40. 012.M31 Balthor Sigma Intervention Inconclusive Balthor Sigma
  41. about 012.M31 Scouring of the Ollanz Cluster Loyalist victory Ollanz Cluster
  42. about 012.M31 Tarren Suppression Traitor victory Tarren IV
  43. about 012.M31 Passage of the Angel of Death Loyalist victory Chemos
  44. about 012.M31 Battle of Nocturne Loyalist victory Nocturne
  45. 012.M31 Birth of the Adeptus Mechanicus Loyalist victory Terra

The Siege of Terra

013.M31 — 014.M31 · 39 events · Titandeath · Solar War · The Finale · Open the era in the atlas

  1. about 013.M31 Siege of Baal Loyalist victory Baal
  2. about 013.M31 Siege of Cthonia Inconclusive Cthonia
  3. about 013.M31 Battle of the Diavanos System Loyalist victory Diavanos System
  4. 013.M31 disputed Battle of Beta-Garmon · Titandeath Traitor victory Beta-Garmon Cluster
  5. about 013.M31 The Destroyer Plague Atrocity Terra
  6. 013.M31 disputed The Solar War Traitor victory Sol System
  7. 014.M31 The Siege of Terra Pyrrhic loyalist victory Terra
  8. 014.M31 Traitor Armada Reaches Sol Traitor victory Sol System
  9. about 014.M31 Siege of Inwit Loyalist victory Inwit
  10. 014.M31 Battle of Pluto · the Khthonic Gate Traitor victory Pluto
  11. about 014.M31 Solar War: Third Sphere Inconclusive Sol System
  12. 014.M31 Battle of Uranus Traitor victory Uranus
  13. about 014.M31 Solar War: Fall of Luna Traitor victory Luna
  14. about 014.M31 Raid on Luna · rescue of the Magna Mater Pyrrhic loyalist victory Luna
  15. about 014.M31 The Unspoken Sanction Pyrrhic loyalist victory Terra
  16. 014.M31 Orbital Bombardment of Terra Atrocity Terra
  17. 014.M31 Death Guard Plague Landing Traitor victory Terra
  18. 014.M31 The Storm Breaks · first assaults and the plague Traitor victory Terra
  19. 014.M31 Fall of Helios Gate Traitor victory Terra
  20. 014.M31 Fall of the Lion’s Gate Spaceport Traitor victory Terra
  21. about 014.M31 Defence of Gorgon Bar Pyrrhic loyalist victory Terra
  22. 014.M31 Destruction of the Magnifican · fall of the Gorgon Bastion Traitor victory Terra
  23. 014.M31 Battle of the Saturnine Gate Loyalist victory Terra
  24. about 014.M31 Fall of Colossi Gate Traitor victory Terra
  25. 014.M31 Fall of the Eternity Wall Spaceport Traitor victory Terra
  26. 014.M31 Perturabo Abandons the Siege Inconclusive Terra
  27. 014.M31 Corswain Reactivates the Astronomican Loyalist victory Terra
  28. 014.M31 Mortis · the Titandeath of Terra Traitor victory Terra
  29. about 014.M31 Founding of the Grey Knights Loyalist victory Saturn
  30. 014.M31 Khan Retakes Lion’s Gate · Mortarion driven out Loyalist victory Terra
  31. about 014.M31 Magnus Defeated in the Webway Loyalist victory Terra
  32. 014.M31 Last Stand at the Eternity Gate Pyrrhic loyalist victory Terra
  33. about 014.M31 Boarding of the Vengeful Spirit Inconclusive Terra
  34. 014.M31 Death of Sanguinius · the Emperor against Horus Loyalist victory Terra
  35. 014.M31 Emperor Interred on the Golden Throne Loyalist victory Terra
  36. 014.M31 Death of Malcador the Sigillite Pyrrhic loyalist victory Terra
  37. about 014.M31 Loken Murdered by Erebus Atrocity Terra
  38. 014.M31 Guilliman Arrives Too Late Loyalist victory Terra
  39. 014.M31 Retaking of Luna Loyalist victory Luna

Epilogue — The Great Scouring

015.M31 — 019.M31 · 9 events · Skalathrax · The Iron Cage · the scattering of the legions · Open the era in the atlas

  1. 015.M31 The Great Scouring Loyalist victory Eye of Terror
  2. 015.M31 Liberation of Mars Loyalist victory Mars
  3. about 015.M31 Harrowing of Pyrrhan Loyalist victory Pyrrhan
  4. 015.M31 disputed Destruction of Caliban Pyrrhic loyalist victory Caliban
  5. about 015.M31 Battle of Skalathrax Atrocity Eye of Terror
  6. about 016.M31 Battle of Eskrador Traitor victory Eskrador
  7. about 016.M31 First Battle of Garm Loyalist victory Garm
  8. about 017.M31 Second Zaramund Campaign Traitor victory Zaramund
  9. about 019.M31 The Iron Cage Pyrrhic loyalist victory Sebastus IV