History
Chasselois was founded on 2 August 1766 by LeRoy and Pictet as a Roman Catholic colony. It was destroyed by the Kirghiz in 1785 and the surviving colonists distributed to other colonies.
Sources
Orlov, Gregorii. Report of Conditions of Settlements on the Volga to Catherine II , 14 February 1769.
Pallas, P.S. Reise durch verschiedene Provinzen des Russischen Reichs. Theil 3,2, Reise aus Sibirien zurueck an die Wolga im 1773sten Jahr (St. Petersburg: Kaiserl. Academie der Wissenschaften, 1776): 612.
Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 249.
https://www.volgagermans.org/who-are-volga-germans/settlements/original/chasselois