James Kirk
- Full Name: James Tiberius Kirk
- Born: March 22, 2233; Riverside, Iowa, United States of America, Earth (ENT: "In a Mirror, Darkly, Part II"; ENT Novel: Last Full Measure)
- Species: Human
- Gender: Male
- Father: George Kirk Sr.
- Mother: Winona Kirk
- Brother: George Kirk Jr.
- Son: David Marcus
- By 2246: Resident, Tarsus IV (TOS: "The Conscience of the King")
- November 2250: Cadet, Starfleet Academy, command track (TOS Novel: The Captain's Oath; TOS: "Shore Leave")
- 2253: Ensign, navigator, Starfleet Academy field training; USS Republic (TOS Novel: The Captain's Oath; TOS: "Court Martial")
- Lieutenant junior grade, instructor, Starfleet Academy (TOS: "Where No Man Has Gone Before"; TOS Novel: Ex Machina)
- September 2255: Lieutenant junior grade, phaser gun crew, Starfleet; USS Farragut (TOS Novel: The Captain's Oath; TOS: "Corbomite Maneuver", "Obsession")
- Starfleet; USS Republic (MA Short Story: "Things Fall Apart")
- Second officer, Starfleet; USS Constitution (TOS Novel: The Captain's Oath)
- By 2261: Commander, executive officer, Starfleet; USS Eagle (TOS Novel: The Captain's Oath)
- Early 2261: Captain, commanding officer, Starfleet; USS Sacagawea (TOS Novel: The Captain's Oath)
- May 2262: Captain, commanding officer, Starfleet; Starfleet Science archaeological station, Vega IX (TOS Novel: The Captain's Oath)
- Serving during repair, reconstruction of USS Sacagawea (TOS Novel: The Captain's Oath)
- May 2262: Captain, commanding officer, Starfleet; Starfleet Science archaeological station, Vega IX (TOS Novel: The Captain's Oath)
- October 2264: Awarded Preantares Ribbon of Commendation for actions in forging diplomatic relations between the Agni and the Federation (TOS Novel: The Captain's Oath)
- May 2265: Captain, commanding officer, Starfleet; USS Enterprise (NCC-1701) (TOS Novel: The Captain's Oath)
- By Harbinger Historian's Note, Kirk took command mid-2263, conflicting with "Journey to Babel" and "Menagerie" datapoints as well as The Captain's Oath
- 2270: Rear admiral, chief, Starfleet Operations, Starfleet; Starfleet Command (Star Trek: The Motion Picture; TOS Novel: Ex Machina)
- Recipient of Palm Leaf of Axanar Peace Mission, Grankite Order of Tactics, Preantares Ribbon of Commendation, Starfleet Medal of Honor, Starfleet Silver Palm (with cluster), Starfleet Citation for Conspicuous Gallantry, Kragite Order of Heroism (TOS: "Court Martial")