In 1703, French Jesuit missionaries established a mission with the goal of converting the Illini Native Americans to Catholicism.
The 1st Illinois General Assembly, consisting of the Illinois Senate and the Illinois House of Representatives, met from October 4, 1818 to March 31, 1819 during the first two years of Shadrach Bond's governorship, at The Kaskaskia State House.
Nevertheless, there is some evidence that Beaubien, while on a trip to Kaskaskia with the Wea, warned George Rogers Clark of an Ottawa plot to kill him.
DuQuoin was named after Chief Jean Baptiste Ducoigne of the Kaskaskia, an Illiniwek people, who were defeated by the Shawnee near here in 1802.
In 1696 Gravier was named to found the Illinois mission among the Illinois, Miami, Kaskaskia and others of the Illiniwek confederacy situated in the Mississippi River and Illinois River valleys.
The Kaskaskia Alliance Trail, named in honor of local Illini tribes, extends the Grand Illinois Trail from Lock 14 in La Salle to Lock 3 in Bureau, Illinois.
Todd and his two brothers fought in the western theater of the American Revolutionary War under General George Rogers Clark during the Illinois campaign and, as a lieutenant, was present at the capture of Kaskaskia in 1778.