2155 (Columbia)

January

• 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 II")
• Unknown: 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")

May

• Prologue (ENT: "Kobayashi Maru")
• 22 May: Chapter 1 (ENT: "Kobayashi Maru")
• 26 May: Chapter 2 (ENT: "Kobayashi Maru")

July

• 13 July: (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: "The Sundered")

September

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

October

• 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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