From Wookieepedia, the Star Wars wiki.

3 BBY
Era(s)	Skywalker epoch, Imperial Period
Approximate dates in other dating systems
Year 3650 After the Treaty of Coruscant (ATC)
Year 997 After the Ruusan Reformation
Year 32 After the Great ReSynchronization (GrS)
Facts and statistics
Emperor	Palpatine[1]

[Source]

The following events took place in 3 BBY.

This year was known as Year 32 after the Great Resynchronization.

Events

• Gallofree Yards goes bankrupt.
• Canna Omonda becomes senator of Chandrila, replacing Mon Mothma.
• Lando Calrissian saves the Oswaft people.
• Tavell Geen becomes Scrivinir of the Centrality.
• The Rebel spy post, Ghost Base, is discovered and captured by Imperials.
• The first recorded encounter with a Yarkora.
• Narg is taken over by the Empire.
• Tsoss Beacon constructed.
• Shada D'ukal joins the Mistryl Shadow Guard.
• Bestine IV's residents are displaced by the Galactic Empire.
• Vader's secret apprentice is ordered to hunt down & kill the remaining Jedi.

Battles

• Battle of ThonBoka^[2]
• Bombing of Callos^[1]
• Battle of the TIE Fighter Construction Facility^[1]
• First Mission to the Jedi Temple^[3]
• Duel on Raxus Prime^[1]
• Second Mission to the Jedi Temple^[3]
• Duel on Felucia^[1]

Births

• Framjen Spathen

Deaths

• In the Battle of ThonBoka:
  • Bhoggihalysahonues^[2]
  • Feytihennasraof^[2]
  • Rokur Gepta^[2]
  • Bern Nuladeg^[2]
  • Senwannus'gourkahipaff^[2]
  • Osuno Whett^[2]

• On Coruscant
  • Darth Desolous (spirit destroyed)
  • Darth Phobos (spirit destroyed)

• Kazdan Paratus on Raxus Prime^[1]

• Shaak Ti on Felucia^[1]

Notes and references

The Star Wars wiki of fan invention.

The following events happened in 3 BBY.

This year was known as Year 32 after the Great ReSynchronization.

Events

• Condorians rebel against Sienar Fleet Systems slavers, take control of a small portion of Sienar's asset's.
• The Imperial data storage facility on Jabran is destroyed.
• Railok starts his training on the Imperial Academy of Carida by the age of 9.
• The Imperial Victory II-class Star Destroyer The Aurora is destroyed during a suprise attack by early rebels in the Corellia sector.
• Evon Gane escapes slavery on Tatooine.

Battles

Births

• The batch of clones that would eventually become Owak's Fighting 181st, led by NC-178
• Cri Karr on Omwat
• Derran Karr on Novus Kamino Prime

Deaths

• Nom Tahama
• Terrick Nova
• Cam Lukanov
• Zekk Nalet