Birthdays
William Augustus Hall
Turns 43 on this date
Charles F. Mayer
Turns 63 on this date
Irvin McDowell
Turns 40 on this date
John Brown Parker
Turns 42 on this date
Haldimand Sumner Putnam
Turns 23 on this date
George Philip Rhinehart
Turns 28 on this date
Thomas Lafayette Rosser
Turns 22 on this date
Henry Harrison Walker
Turns 26 on this date
Events
| Personal | Future boxing champion John L. Sullivan born to Irish immigrant parents in Boston | 10/15/1858 |
| Campaigns/Elections | Lincoln and Douglas hold their final debate in Alton, Illinois | 10/15/1858 |
| Campaigns/Elections | Lincoln-Douglas campaign lasts from mid-June 1858 until January 1859 |
06/16/1858 to 01/05/1859 |
| Cultural | The highly influential Association for the Promotion of Social Science holds its second annual meeting in Liverpool, England |
10/12/1858 to 10/16/1858 |
Documents
| Speech | Abraham Lincoln, Seventh and Final Debate with Stephen Douglas, Alton, Illinois, October 13, 1858 | 10/15/1858 |
| Newspaper | Chicago (IL) Press and Tribune, "The Last of the Series," October 15, 1858 | 10/15/1858 |
| Newspaper | Chicago (IL) Press and Tribune, "The Quincy Debate," October 15, 1858 | 10/15/1858 |
| Newspaper | Chicago (IL) Times, “Sixth Great Debate,” October 15, 1858 | 10/15/1858 |
| Newspaper | Quincy (IL) Whig, "Lincoln Gets Douglas Down!," October 15, 1858 | 10/15/1858 |
| Book | Recollection by Edmond Beall, Alton Debate, October 15, 1858 | 10/15/1858 |
| Book | Recollection by Gustave Koerner, Alton Debate, October 15, 1858 | 10/15/1858 |
| Book | Recollection by Gustave Koerner, Lincoln-Douglas Debates |
07/10/1858 to 11/02/1858 |