| A | B |
| Iroquois | the most feared enemy tribe of the Illiniwek |
| Pontiac | led the Ottawa tribe in attacking the British after the Seven Years' War ended |
| George Rogers Clark | defeated the British and their Indian allies at Vincennes |
| Fort de Chartres | abandoned by the British and their Indian allies at Vincinnes |
| Black Code | regulated French slavery in Illinois |
| Mississippians | built the mounds at Cahokia |
| Starved Rock | a death trap for fleeing Illiniwek Indians |
| Henri de Tonti | feared by the Indians for his unusual hand |
| La Salle | magnificent failure, killed by his own men in Texas looking for the Mississippi River |
| Jacques Marquette | Jesuit priest who wanted to convert the natives |
| Calumets | long, ceremonial pipes of the Illiniwek |
| Vincennes | the battle over this place ended raids on white settlers in Kentucky |
| Illiniwek | the Illinois Confederation, gave the state its name, corn, and tobacco |
| Henry Hamilton | led the British at Fort Sackville in Vincennes |
| Kaskaskia | very important early town in Illinois before the Mississippi River changed course and cut it off from the rest of the state |