From Wookieepedia, the Star Wars wiki.

4 ABY
Era(s)	Skywalker epoch, Imperial Period
Approximate dates in other dating systems
Year 3657 After the Treaty of Coruscant (ATC)
Year 1004 After the Ruusan Reformation
Year 39:3–40:3 After the Great ReSynchronization (GrS)
Facts and statistics
Conflicts	Galactic Civil War[1]
Emperor	Palpatine,[1] Sate Pestage[2]
Important events	Death of Jedi Master Yoda Battle of Endor[1] Declaration of the Alliance of Free Planets Declaration of a New Republic

[Source]

The following events took place in 4 ABY.

This year was known as Year 39 after the Great ReSynchronization and Year 1004 after the Ruusan Reformation.

Some factions temporarily set this year as 'year 0', until the establishment of the Yavin-based calendar two decades later.

Events

• End of the Virgillian Civil War.
• Han Solo is saved by princess Leia Organa from his carbonite prison.
• Desilijic family starting losing their power and influence after death of Jabba the Hutt.
• Permanent desolation of the Hutt Cartel, and temporary desolation of Jabba Desilijic Tiure's criminal empire.
• Luke Skywalker returns to Dagobah to complete his training, as promised to his mentor a year earlier, but Yoda dies of old age before he could do so. However he tells Luke he must confront Darth Vader to become a Jedi Knight.
• The Galactic Empire begins its fall after the death of Galactic Emperor Palpatine, his apprentice, Darth Vader, and the destruction of the second Death Star over Endor.
• With the Alliance’s celebration on the Sanctuary Moon, Bright Tree Village on Endor, becomes the successor of Haven Base on Arbra, as the command centre of the Rebel Alliance.
• An uprising on Coruscant is brutally quashed by Ysanne Isard, Director of Imperial Intelligence.
• IG-88's Droid Revolution comes to an end after the death of IG-88A in the Death Star.
• The Force is brought back into balance when Anakin Skywalker destroys the Sith. However the Order of the Sith Lords lived on, since Palpatine cloned himself on Byss for the first time.
• The Ssi-ruuk attack Bakura.
• Bakura Truce and subsequent liberation of Bakura from Imperial rule.
• Fragmentation of the Galactic Empire.
• The Rebel Alliance is reorganized into the Alliance of Free Planets one week after the Alliance's victory at the Battle of Endor, with Endor as its centre.
• The Empire Reborn is created on Byss by the resurrected Palpatine.
• Formation of Lumiya's Sith by Lumiya.
• The Nagai invade a number of planets, including Endor, Iskalon and Zeltros.
• The Nagai-Tof War ends.
• The Alliance of Free Planets is reorganised into the New Republic with the Declaration of a New Republic signed, and the New Republic Provisional Council established on Endor as the temporary capital, one month after the Declaration of the Alliance of Free Planets.
• Nar Shaddaa finally loses it's shielding due the malfunction.^[3]

Battles

• Ssi-ruuvi attack on Cattamascar
• Mission on Prefsbelt IV
• 39:3–Skirmish at Carkoon^[1]
• Battle of Bespin
• Second Battle of Sullust
• 39:3–Battle of Endor^[1]
• Third Battle of Tatooine
• Battle of Naboo
• Battle of Bakura
• Battle of Lwhekk
• Coruscant Uprising
• Nagai-Tof War
  • Skirmish on Kabray
  • Duel on Kinooine
  • Battle of Mandallia
  • Battle of Mandalore
  • Battle of Endor
  • Battle of Iskalon
  • Battle of Trenwyth
  • Battle of Sullust
  • Twelfth Battle of Zeltros
  • 39:8–Battle of Saijo
• Battle of Death Star III
• 39:11–Second Battle of Kashyyyk
• Battle of Moorja^[4]
• Third Battle of Abridon
• Second Battle of Kuat
• 39:12–Liberation of Ralltiir
• 39:12–Battle of Brentaal IV

Births

• Danni Quee on Commenor^[5]
• Lowbacca on Kashyyyk^[5]
• Uldir Lochett^[6]

Deaths

Month 3

• On Tatooine
  • Ak-Buz
  • Ak-rev^[7]
  • Attark
  • EV-9D9
  • Gonar
  • Jabba's rancor^[1]
  • Milmit
  • Oola^[1]
  • Phlegmin

• In the Skirmish at Carkoon
  • Barada^[1]
  • Nizuc Bek
  • Salacious B. Crumb^[1]
  • Taym Dren-garen^[1]
  • Jabba Desilijic Tiure^[1]
  • Fozec
  • Geezum
  • Gailid^[1]
  • Kithaba^[1]
  • Klaatu
  • Nysad^[1]
  • Ortugg
  • Queequeg
  • Rogua
  • Ree-Yees^[8]
  • Pote Snitkin^[1]
  • Velken Tezeri^[1]
  • Unidentified Kadas'sa'Nikto
  • Unidentified mercenary pilot
  • Unidentified shirtless man
  • Unidentified Weequay Skiff Master
  • Vedain^[1]
  • Vizam^[1]
  • Wooof
  • Wittin^[5]
  • Yoxgit^[9]

• Yoda on Dagobah^[1]
• Gurdun

• In the Battle of Endor
  • On the second Death Star
    • Sim Aloo
    • Nial Declann^[10]
    • Janus Greejatus
    • Tiaan Jerjerrod^[1]
    • Myn Kyneugh
    • R2-Q5
    • Palpatine (First time)^[1]
    • Anakin Skywalker/Darth Vader^[1]
  • Aboard the Executor
    • Chiraneau^[1]
    • Firmus Piett^[1]
    • Gherant^[1]
    • Jhoff^[1]
    • Merrejk^[1]
    • Unidentified Imperial officer (Executor)^[1]
  • On Endor
    • Arnet^[1]
    • Barich^[1]
    • Drazin^[1]
    • Drelosyn^[1]
    • Dyer^[1]
    • Elsek^[1]
    • Irol^[1]
    • Lak Sivrak^[11]
    • Misik^[1]
    • Sarkli^[12]
  • Over Endor
    • Arvel Crynyd^[1]
    • Grizz Frix^[1]
    • Keir Santage^[1]
    • Unidentified Gray Squadron Y-wing pilot^[1]
    • Snoke Loroan^[13]
    • Zaletta
    • Red Three
    • Merrick Simms
• Kuat of Kuat on Kuat^[14]
• Kud'ar Mub'at^[14]
• Wister^[15]

• In the Battle of Bakura
  • Orn Belden
  • Delckiss
  • Firwirrung
  • Tessa Manchisco
  • Wilek Nereus
  • Sh’tk’ith

• Ten Numb on Tralus^[16]
• Orrk on Vandelhelm^[17]

• In the Nagai-Tof War
  • On Kinooine
    • Rei
    • Taru
    • Mendo
    • Faron
  • Tai
  • Harmon Sho on Zeltros

Month 4

• On Cilpar
  • Throm Loro^[18]
  • Finn^[18]
  • Gates Harnik^[18]

Month 5

• In Falken's Lab
  • Rorax Falken^[19]
  • Groznik^[19]
  • Gade Yedan^[19]
  • Loka Hask^[19]

Month 9

• On Tatooine
  • Lirin Banolt^[20]
  • Marl Semtin^[20]

Month 10

• On Eiattu 6
  • Tharil Tavira^[21]
  • Volks^[22]
  • Devers^[22]

Month 11

• On Malrev IV
  • Cartariun^[23]
  • Girov Dza'tey^[23]
  • Dllr Nep^[23]
  • Herian I'ngre^[23]
• Ishin-Il-Raz on the Emperor's Disciple^[10]

• During the Liberation of Kashyyyk
  • Peccati Syn^[24]
  • Darcc
  • Weebacca

Month 12

• In the Battle of Brentaal IV
  • Kin Kian^[25]
  • Lon Isoto^[25]
  • Standro Jcir^[25]
  • Dar Keyis^[25]

Unknown date

• On Phorliss
  • Gorb Drig^[26]
  • Jorshmin^[26]
  • Plattahr^[26]

• On Nezmi
  • Strok^[26]
  • Chackra^[26]
  • Dequc^[26]
• Barkale on Kintoni^[27]
• Lorn Kabul on Otunia^[28]
• On Hurd's Moon
  • Kar Yang^[29]
  • Spinda Caveel^[29]
• Vekker on Coruscant^[29]
• Silya Shessaun on Thesme^[30]
• Osvald Teshik
• Crollick
• Gaarn over Kuat
• Egron on Chibias^[31]
• Gaad
• S'ybll on Tarnoonga^[32]

Appearances

• Sand Blasted
• Entrenched
• Skreej (Ambiguously canonical source)
• Spare Parts (Ambiguously canonical source)
• Star Wars Episode VI: Return of the Jedi
• Mara Jade: By the Emperor's Hand
• Do or Do Not (Ambiguously canonical source)
• A Day in the Life
• A Wookiee Scorned! (Ambiguously canonical source)
• Lucky
• Free Memory (Ambiguously canonical source)
• Three Against the Galaxy
• Apocalypse Endor (Appears in flashback(s))

Sources

• The New Essential Chronology
• The Essential Atlas

Notes and references

The Star Wars wiki of fan invention.

The following events took place in 4 ABY

This year was known as Year 39 after the Great ReSynchronization.

Events

• Gravil-Drov tractor beams Jorax Kinto and his father into a trap.
• Liberation of Naboo. Queen Kylantha steps down; Sabé Andierre is crowned for the rest of the year.
• 2nd Dark Trooper project
• Because of the Empire's defeat, The Outer Rim Legion's work was done and Commander Ayre 080 told everyone that they could leave and gave them a share in all the loot they had collected over the years.
• Epin Lanmaw and Karana Selria are wed.
• Prille Baclaw is rescued by an anti-Imperial mob on Coruscant by Darth Trefitz and becomes Darth Inferna.
• The Steel Legion is reformed by Unit 8311.
• B.O.L.T. is formed on Corellia.

Battles

• Battle of Endor
• Liberation of Naboo
• Battle Of The Ghost Nebula
• Battle of the Namelesennian Sea
• Second Battle for Uthel

Births

• TLQUN-1223 is built on Artho
• Te Dral Mand'alor is born on Mandalore
• Pamo on Yartho
• Neg Primer on an unknown planet
• HK.70 is built on Onderon
• IG-90 is built on Onderon
• Xern Valin on Doluc II
• Snie on Quary

Deaths

• Darth Vader at the battle of Endor
• Darth Sidious at the battle of Endor
• Grand Moff Panaka
• Gravil-Drov
• Adek Nars on Corellia
• Many of Gravil-Drov's thugs.
• Nick Rostu in the Battle of Endor.
• Moitros Nol in the Battle of Endor.
• Tolla Carinda on Naboo.
• Retin Tarpals on Naboo.
• Tronil Excenil on Naboo.
• General Anc in The Anvil over Barab
• Green for helping Eardornn
• Spencer Baclaw in the Battle of Endor.
• Tyler Saft over Bespin
• Moff Panaka on Naboo
• Rita Tabber over Naboo
• Tol Dorr over Naboo
• Erlion on Uthel
• Iv'Iurius on Uthel
• Duvar Enego on Uthel
• Trillak on Uthel
• Animal on Tatooine
• Hally Hennber over Tatooine
• Sebreen Kaz over Tatooine
• Jakel Youyou over Tatooine
• Happlan Youyou over Tatooine
• Perrffel Twelsh over Tatooine
• Lillom Xoneh over Tatooine
• Kakees Awsollm over Tatooine
• Phanich Geseral over Tatooine
• Weddell Gallea over Tatooine