The Lincoln-Douglas Debates took place in 1858 during the Illinois Senate race. There were seven debates held between Abraham Lincoln and Stephen A. Douglas. The dates of these debates are as follows:
- Debate 1: August 21, 1858 - Ottawa
- Debate 2: September 5, 1858 - Freeport
- Debate 3: September 15, 1858 - Jonesboro
- Debate 4: September 18, 1858 - Charleston
- Debate 5: October 7, 1858 - Quincy
- Debate 6: October 13, 1858 - Galesburg
- Debate 7: October 15, 1858 - Alton
These debates were significant in shaping public opinion on issues such as slavery and helped to elevate Lincoln's national profile.