The Treaty of Egorian was signed on Calistril 19, 4640 AR and marked the ascendancy of House Thrune as rulers of the nation of Cheliax. The treaty ended three decades of calamitous civil war and the beginning of infernal control over that nation. The signing of the treaty is now celebrated as a feast day in Cheliax called Loyalty Day.
- James Jacobs et al. (2011). The Inner Sea World Guide, p. 248. Paizo Publishing, LLC. ISBN 978-1-60125-269-2
- James Jacobs et al. (2011). The Inner Sea World Guide, p. 37. Paizo Publishing, LLC. ISBN 978-1-60125-269-2
- Jonathan H. Keith, Colin McComb, Steven E. Schend, Leandra Christine Schneider, and Amber E. Scott. (2009). Cheliax, Empire of Devils, p. 25. Paizo Publishing, LLC. ISBN 978-1-60125-191-6
- The city is named after the Chelish capital of Egorian, and it is assumed (but not confirmed) that this is where it was signed.