Worf
- Full Name: Worf
- Of the House of Martok
- Formerly of the House of Mogh
- Of the House of Martok
- Born: 2340, Qo'noS (TNG: "Sins of the Father")
- Species: Klingon
- Gender: Male
- Father: Mogh
- Mother: Kaasin
- Brother: Kurn
- Father: Sergei Rozhenko
- Adoptive
- Mother: Helena Rozhenko
- Adoptive
- Brother: Nikolai Rozhenko
- Son: Alexander Rozhenko
- Wife: Jadzia Dax (2374)
- Married June 8, 2374 (DS9: "You Are Cordially Invited")
- 2346: Survivor of Khitomer massacre (TNG: "Sins of the Father")
- Adopted by Rozhenko family following rescue mission by USS Intrepid (TNG: "Sins of the Father", "Family")
- 2347: Resident; Gault (TNG: "Heart of Glory", "Homeward")
- Still resident by 2353 (DS9: "Let He Who Is Without Sin...")
- By 2355: Resident; Russia, Earth (DS9: "The Sword of Kahless")
- November 2358: Cadet, Starfleet Academy
- First Klingon in Starfleet (DS9: "The Sword of Kahless")
- September 2362: Ensign, alpha shift conn officer, Starfleet; USS Aldrin (TNG Novel: A Time for War, A Time for Peace)
- December 2363: Lieutenant junior grade, bridge watch officer, Starfleet; USS Enterprise (NCC-1701-D) (TNG Novel: The Buried Age)
- November 2364: Lieutenant junior grade, acting chief of security, Starfleet; USS Enterprise (NCC-1701-D) (TNG: "We'll Always Have Paris")
- Position made official as of January 2365
- 2366: Lieutenant, chief of security, Starfleet; USS Enterprise (NCC-1701-D) (TNG: "We'll Always Have Paris")
- August 18, 2371: Lieutenant commander, chief of security, Starfleet; USS Enterprise (NCC-1701-D) (Star Trek: Generations)
- December 2372: Lieutenant commander, strategic operations officer, Starfleet; Deep Space 9 (DS9: "The Way of the Warrior")
- Fleet liaison between Starfleet, Klingon Defense Force throughout span of Dominion War (TNG Novel: A Time for War, A Time for Peace)
- December 2375: Federation Ambassador to the Klingon Empire (DS9: "What You Leave Behind"; TNG Novel: A Time to Sow, A Time to Kill, A Time for War, A Time for Peace)
- By February 2379: Member, Order of the Bat'leth (TNG Novel: A Time to Kill)
- November 2379: Reactivation in Starfleet at former rank following stepping down as Ambassador (TNG Novel: A Time for War, A Time for Peace)
- Accepted position as executive officer, USS Titan (TNG Novel: A Time for War, A Time for Peace)
- Declined prior to arrival aboard vessel following the death of Commander Data in lieu of remaining aboard USS Enterprise (NCC-1701-E) (TNG Novel: A Time for War, A Time for Peace)
- November 2379: Lieutenant commander, acting executive officer, Starfleet; USS Enterprise (NCC-1701-E) (TNG Novel: A Time for War, A Time for Peace)
- April 2380: Commander, executive officer, Starfleet; USS Enterprise (NCC-1701-E) (TNG Novel: Resistance)