Webster-Hayne debate
- Hayne's First Speech (January 19, 1830)
- Webster's First Reply to Hayne (January 20, 1830)
- Hayne's Second Speech (January 21, 1830)
- Webster's Second Reply to Hayne (January 26–27, 1830)
A four-speech debate between Daniel Webster of Massachusetts and Robert Hayne of South Carolina, in January 1830.