1675 – Jacques Marquette founds a mission post at the Grand Village of the Illinois, now near Utica, Illinois 1680 – Iroquois massacre Grand Village 1680 – Fort Crevecoeur established at Peoria, Illinois 1696 – Cahokia, Illinois founded 1703 – Kaskaskia, Illinois founded 1717 – Illinois Country generally transferred from French Canada's jurisdiction to French Louisiana 1720 – Fort de Chartres established on Mississippi River near Prairie du Rocher, Illinois 1753 – Fort Presque Isle built near Erie, Pennsylvania 1754 – Fort Duquesne founded at Pittsburgh