2155 (Columbia)

Reference Stardates 1/0500-1/0606.30

January

NX class (ENT 58)

• Unknown: (ENT: "Rosetta")
• January 13: In the Mirror Universe, the U.S.S. Defiant NCC-1764 has fallen through a rift in spacetime from 2268. It was seized by the Tholians, who began to study its future technology, when Commander Jonathan Archer of the I.S.S. Enterprise NX-01 learned of its existence. (ENT 94: "In a Mirror, Darkly, Part I") Following the destruction of the Enterprise in combat with the Tholians, the Defiant comes under the control of Archer, then Sato, who uses the ship's advanced weaponry to put down a rebellion and declare herself empress of the Terran Empire. (ENT 95: "In a Mirror, Darkly, Part II")
• January 19: (ENT 96: "Demons")
• January 20: (ENT 97: Terra Prime)
• 5 Tasmeen (24 January?): Chapter 1 (ENT: "The Good That Men Do")
• 24 January: Chapter 2 (ENT: "The Good That Men Do")
• 30 January: Chapter 3 (ENT: "The Good That Men Do")
• 11 Tasmeen (30 January?): Chapter 4 (ENT: "The Good That Men Do")

February

• 3 February: Chapter 5 (ENT: "The Good That Men Do")
• 9 February/21 Tasmeen: Chapters 6, 8, 9 (ENT: "The Good That Men Do")
• 10 February: Chapters 10-11 (ENT: "The Good That Men Do")
• 14 February: Chapters 12, 14, 15 (ENT: "The Good That Men Do")
• 15 February: Chapter 16 (ENT: "The Good That Men Do")
• 17 February: Chapters 17-19 (ENT: "The Good That Men Do")
• 18 February: Chapter 20 (ENT: "The Good That Men Do")
• 20 February: Chapters 21-25 (ENT: "The Good That Men Do")
• 21 February: Chapters 26-43 (ENT: "The Good That Men Do")
• 23 February: Chapters 44, 46 (ENT: "The Good That Men Do")

March

• 3 March: Chapter 47 (ENT: "The Good That Men Do")
• 4 March: Chapter 48 (ENT: "The Good That Men Do")
• 5 March: Chapters 49-50 (ENT: "The Good That Men Do")
• 8 Havreen: Chapter 51 (ENT: "The Good That Men Do")
• 21 March: Chapter 52 (ENT: "The Good That Men Do")

April

• Reference Stardate 1/0507.22: Two Romulan gunboats are surrounded and crippled in the Sexton system by units from Starfleet's 123rd Combat Squadron. The Romulan ships self-destruct while several Starfleet ships maneuver close for boarding. Four destroyers are lost with all hands. Starfleet issues standing orders prohibiting its vessels from closing with even a badly-damaged Romulan vessel. (FASA 2221A: "The Romulan War")
• Reference Stardate 0/0508: Starfleet's Doppler class scout is commissioned. Even smaller than its Mercury class predecessor, it will be used to make surveys in "safe" areas of known space. Almost 490 will be built before production ceases. (FASA 2221A: "The Romulan War")

May

• Reference Stardate 1/0509: The [[Long class|Long class] "star barge" ore freighter is withdrawn from service. (FASA 2221A: "The Romulan War")
• Year of Kahless 781 (Qo'noS): Prologue (ENT: "Kobayashi Maru")
• 22 May: Chapter 1 (ENT: "Kobayashi Maru")
• 26 May: Chapter 2 (ENT: "Kobayashi Maru")

June

• Reference Stardate 1/0511: Starfleet's Marshall class destroyer is commissioned and rushed into immediate full-scael production. The Marshall class will remain in active service for 60 years, and 2900 will be built. (FASA 2221A: "The Romulan War")

July

• Reference Stardate 1/0601.08 (8 July): The Tanathooef class frigate Thara engages a Romulan U-4 class cruiser near the Pretoric system. The opposing vessels literally fight to the death, as both ships are destroyed in the combat. (FASA 2221A: "The Romulan War")
• 13-25 July/29-40 KriBrax (Romulus)/Year of Kahless 781 (Qo'noS): Chapters 3-51, Epilogue 1 and 2 (ENT: "Kobayashi Maru")
• 22 July/37 K'ri'Brax (Romulus)/early re'T'Khutai Year of ShiKahr 8764 (Vulcan): Chapters 1, 3 (ENT: "The Romulan War: Beneath the Raptor's Wing")
• 25 July: Chapter 2 (ENT: "The Romulan War: Beneath the Raptor's Wing")
• 26 July: Chapters 4-5 (ENT: "The Romulan War: Beneath the Raptor's Wing")
• 27 July: Chapters 6-9 (ENT: "The Romulan War: Beneath the Raptor's Wing")
• 28 July/mid-re'T'Khutai YS 8764 (Vulcan): Chapters 10-14 (ENT: "The Romulan War: Beneath the Raptor's Wing")
• 29 July/25 Leo (Mars): Chapters 15 (ENT: "The Romulan War: Beneath the Raptor's Wing")
• 30 July/3 re'T'Khutai (Romulus): Chapters 16-18 (ENT: "The Romulan War: Beneath the Raptor's Wing")

August

• 6 August: Chapter 19 (ENT: "The Romulan War: Beneath the Raptor's Wing")
• 9 August: Chapter 15 (TLE/EXC: "The Sundered")

September

• 11 September: Chapter 20 (ENT: "The Romulan War: Beneath the Raptor's Wing")

October

• (Reference Stardate 1/0610): War is declared between the United Earth Republic and the Romulan Star Empire. (FASA 2214: Star Trek III: The Search for Spock Sourcebook)
• 16 October: Chapters 21-22 (ENT: "The Romulan War: Beneath the Raptor's Wing")
• 18 October: Chapter 23 (ENT: "The Romulan War: Beneath the Raptor's Wing")

November

• 6 November: Chapter 24 (ENT: "The Romulan War: Beneath the Raptor's Wing")
• 8 November/11 Khuti (Romulus): Chapter 25 (ENT: "The Romulan War: Beneath the Raptor's Wing")
• 17 November: Chapter 26 (ENT: "The Romulan War: Beneath the Raptor's Wing")
• 18 November/Thirteenthmoon, Fesoan Lor'Veln Year 463 (Andoria): Chapters 27-28 (ENT: "The Romulan War: Beneath the Raptor's Wing")
• 26 November: Chapter 29-31 (ENT: "The Romulan War: Beneath the Raptor's Wing")
• 27 November: Chapter 32 (ENT: "The Romulan War: Beneath the Raptor's Wing")

December

• 1 December: Chapter 33 (ENT: "The Romulan War: Beneath the Raptor's Wing")
• 4 December: Chapter 34, part 1 (ENT: "The Romulan War: Beneath the Raptor's Wing")
• 8 December: Chapter 34, part 2 (ENT: "The Romulan War: Beneath the Raptor's Wing")
• 14 December: Chapter 35 (ENT: "The Romulan War: Beneath the Raptor's Wing")

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