23,900 BBY

• The Tionese War concludes as the Hutt Empire and the Galactic Republic vanquish the Honorable Union of Desevro & Tion. [1]
• Fragments of the Honorable Union of Desevro & Tion integrate into the Galactic Republic.

Within the fourth installment of the Star Wars: The Essential Guide to Warfare: Author's Cut blog post series, the Tionese War's termination is mistakenly noted as 24,000 BBY, instead of the correct 23,900 BBY.

• The Essential Atlas (Initial mention)
• The Essential Guide to Warfare
• Star Wars: The Essential Guide to Warfare Author's Cut, Part 4: The Rise of the Republic on StarWars.com (article) (backup link)