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Miles Edward O'Brien

Year Event
1The USS Enterprise uncovers a Klingon plot to gain development rights to Shermans planet. Unknown to the crew, they receive covert assistance from the crew of the USS Defiant, thrown back in time from 2373.1
Picture from 2267
2Miles O'Brien is born.2
3Miles O'Brien enters Starfleet.3
4The Setlik III Massacre takes place. This marks the first time that O'Brien has ever killed another person.5
6O'Brien is assigned to the USS Enterprise-D as a conn specialist.6
7Miles O'Brien marries Keiko Ishikawa.7
8The Enterprise-D is badly damaged by a quantum filament, forcing Deanna to assume temporary command. Miles and Keiko O'Brien's daughter, Molly O'Brien, is delivered in the ten-forward lounge by Worf.8
9The Cardassians retreat from the Bajoran system, abandoning the Terok Nor ore processing facility in orbit of the planet. The Bajoran Provisional Government asks Starfleet to take over the running of the station.9
9O'Brien is transferred to Deep Space Nine as Chief of Operations.9
10The Dominion destroy the USS Odyssey.10
Picture from 2370
11O'Brien dies and is replaced by another O'Brien from an alternate timeline.11
12Keiko conceives her second child.12
13O'Brien is convicted of spying on the Argrathi; he receives a memory implant equivalent to spending twenty years in jail.13
14Miles and Keiko's child is transferred to Kira's womb after a Runabout accident.14
15The Dominion War begins. Dukat regains control of Deep Space Nine when the Dominion capture the station.15
16Sisko becomes an adjutant on Starbase 375. Jadzia Dax becomes commander of the Defiant.16
17Starfleet launches an operation to recapture Deep Space Nine. Captain Sisko leads a large Federation force, but this is bogged down battling a Dominion fleet. The Defiant breaks through and reaches Deep Space Nine just as the minefield is destroyed; Sisko convinces the Prophets to prevent Dominion reinforcements from coming through the wormhole. A joint Federation/Klingon force recaptures the station.17
17As Dominion forces leave, Damar murders Ziyal. Distraught at losing both the station and his daughter, Dukat becomes mentally unbalanced and is captured by Federation forces.17
18O'Brien goes undercover on Farius Prime to penetrate the Orion Syndicate for Starfleet Intelligence.18
19The Romulans join the war against the Dominion.19
20Miles and Keiko O'Brien's daughter Molly falls into a time portal. O'Brien is able to reverse the effects.20
21The first Allied offensive captures the Chin'Toka system from the Dominion.21
Picture from 2374
22The Chin'toka system is retaken by Dominion and Breen forces. The USS Defiant is destroyed during the battle.22
23The Cardassian fleet switches sides, helping the Allies to inflict a major defeat on the Dominion and Breen forces. As allied forces approach Cardassia, Odo links with the female Founder and convinces her to end the Dominion war. Garak chooses to remain on the devastated Cardassia to assist in rebuilding efforts.24
23In the aftermath of the Dominion war, Kira is appointed commander of Deep Space Nine; Worf becomes Ambassador to the Klingon Empire; O'Brien accepts a teaching post at Starfleet Academy; Odo returns to the Great link, ending his relationship with Kira; Rom becomes the Ferengi Grand Nagus.23

Yellow text = Canon source Green text = Backstage source Cyan text = Novel White text = DITL speculation

# Series Season Source Comment
1 TOS 2 The Trouble With Tribbles
2 DS9 2 Rivals Dax says O'Brien is 'not a day over thirty eight'
3 DS9 4 Rules of Engagement O'Brien says he has been in Starfleet for 22 years.
4 TNG 6 Realm of Fear O'Brien says he has been using Transporters for 22 years. In
5 TNG 4 The Wounded
6 TNG 1 Encounter at Farpoint
7 TNG 4 Data's Day
8 TNG 5 Disaster
9 DS9 1 Emissary
10 DS9 2 The Jem'Hadar
11 DS9 3 Visionary
12 DS9 4 Accession Two months before the episode since Keiko said she was due to give birth seven months afterwards
13 DS9 4 Hard Time
14 DS9 4 Body Parts
15 DS9 5 Call to Arms
16 DS9 6 Behind the Lines
17 DS9 6 Sacrifice of Angels
18 DS9 6 Honor Among Thieves
19 DS9 6 In the Pale Moonlight
20 DS9 6 Time's Orphan
21 DS9 6 Tears of the Prophets
22 DS9 7 The Changing Face of Evil
23 DS9 7 What You Leave Behind, Part 2
24 DS9 7 What You Leave Behind, Part 1
Series: TOS Season 2 (Disc 4)
Source: The Trouble With Tribbles
Series: DS9 Season 2 (Disc 3)
Source: Rivals
Comment:Dax says O'Brien is 'not a day over thirty eight'
Series: DS9 Season 4 (Disc 5)
Source: Rules of Engagement
Comment:O'Brien says he has been in Starfleet for 22 years.
Series: TNG Season 6 (Disc 1)
Source: Realm of Fear
Comment:O'Brien says he has been using Transporters for 22 years. In
Series: TNG Season 4 (Disc 3)
Source: The Wounded
Series: TNG Season 1 (Disc 1)
Source: Encounter at Farpoint
Series: TNG Season 4 (Disc 3)
Source: Data's Day
Series: TNG Season 5 (Disc 1)
Source: Disaster
Series: DS9 Season 1 (Disc 1)
Source: Emissary
Series: DS9 Season 2 (Disc 7)
Source: The Jem'Hadar
Series: DS9 Season 3 (Disc 5)
Source: Visionary
Series: DS9 Season 4 (Disc 5)
Source: Accession
Comment:Two months before the episode since Keiko said she was due to give birth seven months afterwards
Series: DS9 Season 4 (Disc 5)
Source: Hard Time
Series: DS9 Season 4 (Disc 7)
Source: Body Parts
Series: DS9 Season 5 (Disc 7)
Source: Call to Arms
Series: DS9 Season 6 (Disc 1)
Source: Behind the Lines
Series: DS9 Season 6 (Disc 2)
Source: Sacrifice of Angels
Series: DS9 Season 6 (Disc 4)
Source: Honor Among Thieves
Series: DS9 Season 6 (Disc 5)
Source: In the Pale Moonlight
Series: DS9 Season 6 (Disc 6)
Source: Time's Orphan
Series: DS9 Season 6 (Disc 7)
Source: Tears of the Prophets
Series: DS9 Season 7 (Disc 5)
Source: The Changing Face of Evil
Series: DS9 Season 7 (Disc 7)
Source: What You Leave Behind, Part 2
Series: DS9 Season 7 (Disc 7)
Source: What You Leave Behind, Part 1

Copyright Graham Kennedy Page views : 235 Last updated : 2 Apr 2014