5 BBY

"Breaking a Custom"
(Chewbacca #2 - Dark Horse Comics - Feb 2000)
After Han's graduation, but before he saves Chewbacca.
 
 
Imperial officer Han Solo saves the Wookiee slave Chewbacca from death at the hands of Imperial Commander Nyklas on Coruscant. Soon afterward Solo is discharged from the Imperial Navy.
Months before The Hutt Gambit.
 
 
The Han Solo Trilogy - The Hutt Gambit - Chapter 1 to page 99
(Bantam Spectra Books - Oct 1997)
 
"Routine"
(Star Wars Tales #2 - Dark Horse Comics - Jan 2000)
 
The Han Solo Trilogy - The Hutt Gambit - Page 99 to page 116
(Bantam Spectra Books - Oct 1997)
 
Bantam books timeline and The Ultimate Star Wars Timeline.
 
 
"The Final Exit"
(Star Wars Adventure Journal #4 - West End Games - Nov 1994)
The Essential Reader's Companion.
 
 
A Mon Calamari slave named Ackbar becomes Moff Tarkin's personal aide.
The New Essential Guide to Characters.
 
 
Gideon Tarkin dies in the Erhynradd Mutiny. His daughter Rivoche is taken in by his brother, Moff Wilhuff Tarkin.
The New Essential Guide to Characters.
 
 
Rayf Ysanna is born on Ossus.
Dark Empire II.
 
 
Stanton Rendar is killed when his freighter crashes into the Emperor's private wing of the Imperial Museum. His family's holdings are taken by the Emperor and Stanton's brother, Dash, is expelled from the Imperial Academy on Carida.
Shadows of the Empire Sourcebook, via Time Tales.
 
 
A rebel uprising on the Devaronian system results in a massacre in the holy city of Montellian Serat.
The Hutt Gambit.
 
 
Prince Kalen, the brother of Prince Isolder of Hapes is killed by the pirate Harravan. Isolder goes undercover and searches for the pirate.
The Courtship of Princess Leia, via Time Tales.
 
 
Tinian I'att buys the Wookiee, Wrrl, to stop his death at the hands of his slavers.
"To Fight Another Day", via Time Tales.
 
 
 
4 BBY
The Han Solo Trilogy - The Hutt Gambit - Chapter 5 to page 167
(Bantam Spectra Books - Oct 1997)
 
Lando Calrissian and the Mindharp of Sharu
(Del Rey Books - July 1983)
 
The Han Solo Trilogy - The Hutt Gambit - Pages 168 to 209
(Star Wars Tales #11 - Dark Horse Comics - Mar 2002)
 
The Hutt Gambit, Joe Bongiorno and Dan Wallace.
 
 
"The Princess Leia Diaries" - Page 9
(Star Wars Tales #11 - Dark Horse Comics - Mar 2002)
 
 
"Weapons Master" - Flashback scenes only
(Star Wars Weekly #104-106 - Marvel UK - Feb-Mar 1980)
 
 
Han Solo and Chewbacca free slaves from a Zygerrian slave ship near Janodral Mizar. Solo gives the ship and its cargo to the newly-freed slaves.
Heir to the Empire; Heir to the Empire Sourcebook.
 
 
A Hunter's Fate: Greedo's Tale - Pages 19 to 27
(Tales from the Mos Eisley Cantina - Bantam Spectra Books - Aug 1995) 
 
 
General Zakar is put in charge of Imperial military operations on Garos IV.
"Whispers in the Dark", Star Wars Adventure Journal #2, via Time Tales.
 
 
The planet Mon Calamari is placed under martial law by the Empire, its people conscripted into slave labor.
Galaxy Guide 4: Alien Races, via Time Tales.
 
 
31:9
Shira Brie becomes an Imperial cadet, studying to become a TIE fighter pilot.
"Planet Hoppers: Carida" at the Wizards of the Coast web site. Four years after enrollment. Establishes Academy years starting in month nine.
 
 
Kyle Katarn enters the Imperial Academy on Carida.
Four years before his graduation, seen in Dark Forces: Soldier for the Empire.
 
 
In outer Gus Treta in the Corellian Sector, Jagged and Zena Antilles are killed at their fueling depot on the Corellian Inner-System Market Station after pirate captain Loka Hask ignites part of the station in an attempt to escape from the Corellian Security Force. Jagged and Zena are survived by their son, Wedge, and daughter, Syal.

Just after the incident, Wedge tracks down Hask's ship, the Buzzzer, and destroys it. Captain Hask escapes.

X-Wing Rogue Squadron: The Phantom Affair #2; Star Wars Handbook: X-Wing Rogue Squadron. Wedge was 17 years old.
 
 
 

3 BBY

"Passages"
(Star Wars Adventure Journal #7 - West End Games - Aug 1995)
The Essential Reader's Companion.
 
 
"Out of the Cradle"
(Star Wars Adventure Journal #2 - West End Games - May 1994)
The Essential Reader's Companion.
 
 
"Falling Star"
(Star Wars Tales #15 - Dark Horse Comics - Mar 2003)
 
 
"Iron Eclipse"
(Star Wars: Agent of the Empire #1-5 - Dark Horse Comics - Dec 2011-Apr 2012)
 
 
"Hard Targets"
(Star Wars: Agent of the Empire #6-10 - Dark Horse Comics - Oct 2012-Feb 2013)
 
 
The planet Narg in the Rayter sector is discovered by the Empire.
The Abduction of Crying Dawn Singer, via The Completely Unofficial SW Encyclopedia.
 
 
The Maw Installation is built.
Jedi Search.
 
 
Prince Isolder finds and catches Harravan.  The pirate is murdered in a Hapan prison before he can name his accomplices in the murder of Isolder's brother.
The Courtship of Princess Leia,via Time Tales.
 
 
The Han Solo Trilogy - The Hutt Gambit - Page 210 to end
(Bantam Spectra Books - Oct 1997)
 
Lando Calrissian and the Flamewind of Oseon
(Del Rey Books - Sept 1983)
 
Lando Calrissian and the Starcave of ThonBoka
(Del Rey Books - Dec 1983)
 
The Hutt Gambit, a Joe Bongiorno and Dan Wallace.
 
 
The Han Solo Trilogy - Rebel Dawn - Chapters 1 to 6
(Bantam Spectra Books - Mar 1998)
-----Han Solo wins the Millennium Falcon from Lando Calrissian.
Six months before Han Solo at Star's End, according to Dan Wallace.
 
 
Han Solo leaves Imperial space for the Corporate Sector.
Rebel Dawn.
 
 
The Force Unleashed - Levels 1-5
(LucasArts video game - Sept 2008)
 
 
Saelt-Marae joins Jabba the Hutt’s entourage.
Special Edition Sourcebook, via Time Tales.
 
 
Shada D’ukal joins the Mistryl Shadow Guards of Emberlene.
Specter of the Past.
 
 
The Ssi-ruuk reach the edge of known space.
Truce at Bakura Sourcebook, via Time Tales.