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Mendham nearby systems
Mendham nearby systems
(Map Legend)
System Information
X:Y Coordinates 147.845 : -344.866[e]

Political Affiliation[edit]



Planetary History[edit]

Early History[edit]

Originally settled by the Taurian Concordat, Mendham became the target of aggression from the Capellan Confederation, which was expanding in search of additional planets. Despite being Taurian colonies, Mendham and several other worlds were targeted by Chancellor Kurnath Liao, who resolved to push the Taurians out of "Capellan holdings." The resulting military campaign ran from 2397 to 2422, began with clashes between the Capellan and Taurian navies and ended with the capture of three Taurian worlds, including Mendham. In contrast with the sporadic raids inflicted on Taurian worlds by the Federated Suns, the Capellan attacks were staged with a degree of savagery the Concordat hadn't encountered before; cruelty to prisoners and the outright massacre of Taurian civilians were commonplace events.[2]

Second Succession War[edit]

In mid-2828 Capellan Confederation Armed Forces units attacked Mendham, with the First Centauri Guards and Sixth St. Ives Lancers surprising both the Fourteenth Syrtis Fusiliers and the other major defending unit, the Twenty-sixth Avalon Hussars. Despite their initial surprise at the attack, which was part of Operation CELT — an offensive aimed at recapturing Chesterton — the two AFFS units fought back hard, making a number of attempts to crush the CCAF landing zone at Munnings. Although the two AFFS regiments couldn't overwhelm the entrenched forces in the landing zone, they did prevent the Guards and Sentinels from breaking out, and all four units were battered by the time the CCAF units withdrew in late June.[39]

The Jihad[edit]

In 3068 Duke George Hasek launched an invasion of the Capellan Confederation under the name Operation SOVEREIGN JUSTICE, ostensibly to liberate the worlds of the St. Ives Compact.[40] The CCAF responded with Operation THUNDERSTRIKE, which not only liberated the worlds seized by the Capellan March forces but which also struck back at worlds in the Federated Suns. Mendham was one of the worlds hit, with CCAF troops attacking on the 18th of February 3069 as part of a wave of attacks that hit eight separate systems on the same day.[41]

Mendham was conquered by the Taurian Concordat in February 3075.[32][33] The conquest of Mendham was one of a number of attacks made by the Taurian Concordat following the discovery of evidence implicating the Federated Suns as being responsible for the asteroid bombardment that destroyed the city of Samantha on Taurus in 3074.[33][42]

The Dark Age[edit]

In 3090 the Fourth Ceti Hussars LCT were stationed on Mendham when the Taurian Concordat raided the world. What the Concordat forces were unprepared for was the presence of a number of new Fulcrum hovertanks, which the Hussars had been issued just a few weeks beforehand; these new Fulcrum Hybrids were able to use their superior armor, Clantech weapons and Superchargers to take advantage of a feint and punch through the Taurian lines. The four Hybrids spent three days disrupting Taurian operations by hitting supply points, disrupting unit movements and even making an opportunistic attack on a grounded DropShip, losing just one Hybrid in the process; the cumulative effects of the constant harassment in their rear areas prevented the Taurians from forming a new line of battle and forced them to retreat from Mendham.[43]

Military Deployment[edit]



  • Fourteenth Sian Dragoons[45]




  • Illician Lancers[48]
  • Twenty-first Rangers (from October)[48]


  • Illician Lancers[48]
  • Twenty-first Rangers[48]


  • Illician Lancers[21]
  • Twenty-first Rangers[21]


  • Illician Lancers[24]
  • Twenty-first Rangers[24]


  • Illician Lancers[27]
  • Twenty-first Rangers[27]




Planetary Locations[edit]

  • Doran City:[50]
    • University of Mendham:[50]

Industrial Center[edit]

Map Gallery[edit]

Nearby Systems[edit]

Closest 64 systems (62 within 60 light-years)
Distance in light years, closest systems first:
Daol 9.7 Horsham 12.6 Yuris 14.3 Lochmantle 19.6
Frazer 21.8 Maldive 22.0 Weitinger 22.8 Robsart 23.5
Non Diz 24.2 Shaunavon 24.7 Merlin 29.8 Wrentham 29.9
Corodiz 32.4 Zanzibar 34.5 Courcellete 34.7 Bromhead 34.7
Glentworth 34.9 Gardnaus 36.0 Jacson 37.3 Rollis 38.6
Alexandria 38.7 Ashley 40.1 Abruzzi 40.6 Sirdar 41.0
Mitchel 42.4 Bergtatt 43.0 Sindalin 43.4 Kern 44.8
Midale 45.1 Flintoft 45.2 Cotocallao 45.3 Pentvar 46.6
MacLeod's Land 47.5 Laconis 48.3 Jansen's Hold 49.2 Yongd 49.9
Mandaree 49.9 Diefenbaker 50.5 Kazu 50.6 Pinard 51.6
Carmichael 51.9 Braum 53.0 New Vallis 53.6 Brisbane 54.4
Parian 54.6 Victoria 55.0 Muridox 55.7 Valdives 55.8
Bacum 56.4 Aucara 56.4 Larsha 56.6 Jonzac 57.4
Hè-shì 58.2 Menke 58.8 Lindsay 58.9 Ishtar 59.0
Ridgebrook 59.2 Landmark 59.3 New Ganymede 59.3 Samantha 59.4
Safe Port 59.4 Mazdru 59.9 Chouli 61.1 New Vandenburg 61.3


The House Davion (The Federated Suns) sourcebook gives the impression that the planet Mendham and Mendham Electronics were just captured from the Capellan Confederation in the waning years of the Third Succession War. However, the Handbook: House Davion sourcebook states that the planet was taken from the Confederation in the First Succession War and never given up. Perhaps the Capellans took possession of the planet for a short time during the Third Succession War before losing it again, but this has not been certified.


  1. Handbook: House Liao, p. 17: "Capellan Confederation Foundation [2366]"
  2. 2.0 2.1 The Periphery, 1st Edition, p. 20: "Struggle With Liao"
  3. Handbook: House Liao, p. 25: "Capellan Confederation after Age of War [2571]"
  4. Handbook: House Davion, p. 48: "Federated Suns After Age of War [2571]"
  5. 5.0 5.1 5.2 Handbook: Major Periphery States, p. 121: "Taurian Concordat after Age of War [2571], Fall of the Star League [2750] and End of the 3rd Succession War [3025]"
  6. Historical: Reunification War, p. 64
  7. Historical: Reunification War, p. 159: "Inner Sphere - 2596"
  8. Era Report: 2750, p. 37: "Inner Sphere - 2750"
  9. Historical: Liberation of Terra Volume 1, p. 11: "Inner Sphere - 2765"
  10. First Succession War, p. 25: "Inner Sphere - [2786] Map"
  11. Handbook: House Davion, p. 54: "Federated Suns After First Succession War [2822]"
  12. First Succession War, p. 113: "Inner Sphere - [2822] Map"
  13. Handbook: House Davion, p. 60: "Federated Suns After Second Succession War [2864]"
  14. House Arano (The Aurigan Coalition), pp. 14-15: "3022 Interstellar Expeditions. IAAS-349-SIFNM97-MMMXXII"
  15. The Periphery, p. 151: "Maps of the Periphery"
  16. Handbook: House Davion, p. 70: "Federated Suns After Third Succession War [3025]"
  17. Handbook: House Davion, p. 72: "Federated Suns After Fourth Succession War [3030]"
  18. Handbook: House Davion, p. 74: "Federated Suns After War of 3039"
  19. 19.0 19.1 Handbook: Major Periphery States, p. 127: "Taurian Concordat after modern colonization drive [3040] and after FedCom Civil War [3067]"
  20. Historical: War of 3039, p. 133: "Inner Sphere - 3040"
  21. 21.0 21.1 21.2 20 Year Update, p. 21: "Federated Commonwealth Deployment Table"
  22. Era Report: 3052, p. 11: "Inner Sphere Map [3050]"
  23. Era Report: 3052, p. 23: "Inner Sphere Map [3052]"
  24. 24.0 24.1 24.2 Objective Raids, p. 15: "FedCom Deployment Table"
  25. Era Report: 3062, p. 11: "Inner Sphere Map [3057]"
  26. Handbook: House Davion, p. 78: "Federated Suns After Operation Guerrero [3058]"
  27. 27.0 27.1 27.2 Field Manual: Mercenaries, p. 108: "Mercenary Deployment Table"
  28. The Periphery, 2nd Edition, p. 111: "Taurian Concordat and Tortuga Dominions"
  29. 29.0 29.1 Shattered Sphere, p. 32: "FedCom Deployment Table"
  30. Era Report: 3062, p. 29: "Inner Sphere Map [3063]"
  31. Handbook: House Davion, p. 82: "Federated Suns After FedCom Civil War [3067]"
  32. 32.0 32.1 Jihad Hot Spots: Terra, p. 14: "Timeline of the Jihad"
  33. 33.0 33.1 33.2 Jihad: Final Reckoning, p. 53: "The Jihad In Review"
  34. Field Report: Periphery, p. 23: "Taurian Concordat Region Deployment Map [3079]"
  35. Field Report: CCAF, p. 23: "Capellan Confederation Deployment Map [3079]"
  36. Field Report: AFFS, p. 23: "Federated Suns Deployment Map [3079]"
  37. Era Report: 3145, p. 11: "Inner Sphere Map - [3135]"
  38. Era Report: 3145, p. 39: "Inner Sphere Map - [3145]"
  39. Second Succession War, p. 24: "The Suns-Confederation Front"
  40. Jihad: Final Reckoning, p. 45: "The Jihad In Review"
  41. Jihad: Final Reckoning, p. 46: "The Jihad In Review"
  42. Jihad Hot Spots: 3076, p. 52: "Timeline of the Jihad"
  43. 43.0 43.1 Technical Readout: Prototypes, p. 48: "Fulcrum Hybrid"
  44. Field Report 2765: CCAF, p. 13: "Regimental Status"
  45. First Succession War, p. 136: "First Succession War Deployment Table - CCAF"
  46. First Succession War, p. 135: "First Succession War Deployment Table - AFFS"
  47. First Succession War, pp. 134–135: "First Succession War Deployment Table - AFFS"
  48. 48.0 48.1 48.2 48.3 48.4 48.5 48.6 48.7 Historical: War of 3039, p. 141: "Deployment Table"
  49. Field Report: AFFS, p. 10
  50. 50.0 50.1 Shrapnel, Issue #1, pp. 29: Secrets of the Sphere: The Cameron Question
  51. House Davion (The Federated Suns), p. 172: "Other Major Companies in the Federated Suns"