15,000 BBY
• Republic Sienar Systems is founded.
• The Hutt Cataclysms, a civil war, ends in Hutt Space, leaving Varl and other worlds uninhabitable. This leads to the Hutts moving to Evocar, which they terraform into what becomes known as Nal Hutta following the enslavement of the native Evocii who are evicted to Nar Shaddaa.
• The Senate Hall is built for the Galactic Senate on Coruscant.

14,500 BBY
• The Third Alsakan Conflict begins.

14,300 BBY
• The Third Alsakan Conflict ends.

14,000 BBY
• House Korden is established on Corulag. While not of note to the galaxy at large, they become leaders of the Republic's colonization and development efforts, later becoming recognized as a noble house.

13,800 BBY
• The Fourth Alsakan Conflict begins.

13,200 BBY
• The Fourth Alsakan Conflict ends.

13,050 BBY
• The Fifth Alsakan Conflict begins.

13,000 BBY
• Ailon's military traditions begin as a form of religious devotion, leading to the creation of the Ailon Nova Guard.
• The Herglic Trade Empire joins the Galactic Republic.

12,720 BBY
• The Tapani Sector is colonized.

12,000 BBY
• The Ithorians make contact with the Galactic Republic