Birthdays
Henry Binmore
Turns 25 on this date
Matthew Boyd Patterson
Turns 55 on this date
Elihu Benjamin Washburne
Turns 42 on this date
Events
| Science/Technology | First day of Autumn | 09/23/1858 |
| Campaigns/Elections | Lincoln-Douglas campaign lasts from mid-June 1858 until January 1859 |
06/16/1858 to 01/05/1859 |
| Legal/Political | The Mayor of Charleston, South Carolina declares a day of fasting | 09/23/1858 |
Documents
| Newspaper | Chicago (IL) Press and Tribune, "Who Furnishes the Audiences?," September 23, 1858 | 09/23/1858 |
| Book | Recollection by Gustave Koerner, Lincoln-Douglas Debates |
07/10/1858 to 11/02/1858 |
| Book | Recollection by John M. Palmer, Lincoln-Douglas Debates, 1858 |
08/21/1858 to 10/15/1858 |