| Year |
Event |
| 2370 |
| •1 | The EMH program is developed by Dr Lewis Zimmerman, assisted by Lieutenant Barclay.1
 |
|  |
| 2371 |
| •2 | The EMH is activated for the first time on Stardate 48315 during Captain Janeway's pre-launch inspection tour of the USS Voyager.2
 |
| •3 | Voyager is dragged into the Delta Quadrant by the being known as The Caretaker.3
 |
|
| 2372 |
| •4 | Voyager attempts to form an alliance with the Trabe; the attempt fails.4
 |
| •5 | The EMH has a brief relationship with Danara Pel.5
 |
| •6 | Voyager is briefly captured by the Kazon. The large majority of the crew are stranded on a primitive planet.6
 |
|
| 2373 |
| •7 | Voyager is re-captured from the Kazon by Paris and a small group of Talaxians. Seska is killed during the operation.7
 |
| •8 | Voyager trespasses on Swarm space to avoid a lengthy detour on their journey home.8
 |
| •9 | Voyager is thrown back in time to 19969; the ship prevents a temporal explosion which would otherwise have destroyed the Earth.10
 |
| •11 | The progressive faction wins the Q civil war with Voyager's help. Q mates with a female Q, helping to end the rifts which caused the war by producing a baby Q.11
 |
| •12 | The EMH creates a holographic family in an attempt to experience normal family life. His daughter, Belle, is killed in an accident shortly afterwards.12
 |
| •13 | The EMH adds various personality traits to his program, creating a split personality.13
 |
| •14 | On Stardate 50912 the EMH's optical sensors reconfigured to allow sight in the microwave range of the EM spectrum.14
 |
| •15 | Ensign Jetal dies when Harry Kim is given medical priority. Memories of Ensign Jetal are deleted by Janeway.15
 |
| •16 | Voyager encounters the Borg and Species 8472.16
 |
| 
 |
| 2374 |
| •17 | Voyager defeats a force of 8472 vessels; end of the Borg/8472 war.17
 |
| •18 | Voyager encounters the Krenim, a species who use temporal technology in weapons applications. The encounter passes peacefully.18
 |
| •19 | Voyager's crew undergoes involuntary medical testing by an alien species.19
 |
| •20 | Voyager's EMH relays messages from the ship to Starfleet via an alien communications array. A message to Janeway informs her that her fiance Mark Johnson has married a co-worker. Voyager finds that the Maquis have been wiped out.20
 |
| •21 | False memories prompt Seven of Nine to accuse an Entharan trader of assault.21
 |
| •22 | Voyager attempts to stabilize some Omega molecules.22
 |
| •23 | Voyager's crew are replicated by the Deuterium/metal lifeform on the Demon planet.23
 |
|
| 2375 |
| •24 | Voyager crosses a 2,500 light year wide gulf in space - possibly the gap between two galactic arms. Janeway goes through a bout of depression and isolates herself from the crew.24
 |
| •25 | Voyager is almost destroyed during an attempt to reach home via Quantum Slipstream drive.25
 |
| •15 | The EMH recovers his memories of Ensign Jetal and is nearly driven insane.15
 |
| •26 | Voyager prevents a catastrophe by piloting a Malon freighter into a star before it can explode.26
 |
| •27 | Voyager encounters the USS Equinox.27
 |
| 
 |
| 2376 |
| •28 | The EMH experiments with daydreaming.28
 |
| •29 | Voyager uses an alien catapult device to advance several years in its journey towards Earth.29
 |
| •30 | Voyager encounters a planet which exists in a highly accelerated time frame compared to the rest of the galaxy. The ship has a large though unintentional effect on the planets culture.30
 |
| •31 | The EMH becomes a major singer on the Qomar home world.31
 |
| •32 | The EMH is transported back to the Alpha Quadrant to treat his creator, Lewis Zimmerman.32
 |
|
| 2377 |
| •33 | Many of Voyager's crew fall under the influence of an old mind control program implanted by a Bajoran Vedek.33
 |
| •34 | The EMH briefly defects to a group of holograms being hunted by the Hirogen.34
 |
| •35 | Voyager is briefly stranded in The Void, a closed subspace region with no natural resources; Janeway creates an alliance of ships in order to break free.35
 |
| •36 | Many of Voyager's crew are kidnapped by the Quarren and have their memory wiped so they can serve as workers on the Quarren homeworld.36
 |
| •36 | The EMH acts as the ship's Emergency Command Hologram for the first time, assisting in the rescue of Voyager's crew from the Quarren home world.36
 |
| •37 | The EMH writes the holonovel "Let Photons Be Free", a major success in the Alpha Quadrant.37
 |
| •38 | Voyager finds the Friendship One probe. The Starship is able to repair much of the damage done to the planet the probe landed on.38
 |
| •39 | Voyager reaches Earth.39
 |
|  |