Skirmish at Csaus
Around the time of 18 BBY, a skirmish took place near the celestial body known as Csaus, amidst a crisis that was occurring within the Chiss Ascendancy.
Behind the scenes
The battle that occurred at Csaus is referenced within Thrawn Ascendancy: Lesser Evil, a 2021 novel that serves as the concluding book in the Ascendancy Trilogy authored by Timothy Zahn.