| LaSalle | Benjamin Lundy, 1789-1839 (missing) | 07/11/1954 |
| LaSalle | Buffalo Rock State Park | 01/01/1952 |
| LaSalle | Camp Hunter | 09/09/2018 |
| LaSalle | Canal Warehouse | 01/01/1973 |
| LaSalle | Clyde William Tombaugh | 01/01/1985 |
| LaSalle | Death of “Big Steve” Sutton and the Birth of Laborers Local Union 393 | 04/28/2022 |
| LaSalle | First Lincoln-Douglas Debate | 11/01/2007 |
| LaSalle | First Permanent Norwegian Settlement in the United States | 01/01/1934 |
| LaSalle | Fort Johnston (missing) | 01/01/1934 |
| LaSalle | Fort Wilbourn | 01/01/1934 |
| LaSalle | Great Illinois Village, The | 01/01/1935 |
| LaSalle | Illinois and Michigan Canal | 01/01/1956 |
| LaSalle | Indian Creek Massacre (New) | 07/01/2015 |
| LaSalle | Indian Creek Massacre (Old) | 01/01/1934 |
| LaSalle | Jim Gray’s Escape to Freedom | 07/04/2022 |
| LaSalle | John Huston Finley, 1863-1940, Educator*Editor*Author | 10/01/2004 |
| LaSalle | LaSalle-Peru, Illinois | 04/26/1968 |
| LaSalle | LaSalle-Peru, Illinois (missing) | 04/26/1968 |
| LaSalle | Prudence Crandall: Abolitionist, Educator and Woman’s Rights Advocate | 06/25/2022 |
| LaSalle | Railroads and the Founding of Mendota | 06/01/2002 |
| LaSalle | Starved Rock | 01/01/1934 |
