| A | B |
| St. Clair | first county organized in Illinois |
| John Whistler | built Fort Dearborn, father of modern city of Chicago |
| Anthony Wayne | led troops at Battle of Fallen Timbers |
| Fort Greenville | treaty that ended Indian Wars and encouraged white settlement |
| Fort Dearborn | fort where a group of white settlers were attacked when they tried to evacuate |
| Nathaniel Pope | convinced Congress to increase Illinois territory and accept less than 60,000 people for statehood |
| Ninian Edwards | first governor of Illinois |
| Corn Treaty | Black Hawk was not allowed back into Illinois to plant crops |
| Bad Axe | battle in which Sauk and Fox Indians were massacred trying to cross the Mississippi River |
| Wisconsin Heights | battle in which Sauk and Fox Indians held off white troops so women and children could get to safety |
| Abraham Lincoln | captain of volunteers in Black Hawk War |
| Jean Baptiste du Sable | first citizen and businessman of Chicago |