David Rice Atchison
Democrat Senator of Missouri

Senator
Missouri
December 4, 1843 - March 3, 1849
Senator
Missouri
December 3, 1849 - March 3, 1855
6
Congresses Served
2
Senate Terms
January 1, 1807 (79 years old)
Birthday
January 1, 1886
Death
- Mid-19th century American politician and lawyer.
- Served as a United States Senator and held the position of President pro tempore of the Senate for six years.
- Involved in military service as a major general during the Missouri Mormon War and as a Confederate brigadier general during the American Civil War.
- Known for his pro-slavery activism and leadership among the Border Ruffians during the “Bleeding Kansas” conflict.
- Played a significant role in the passage of the Kansas-Nebraska Act, advocating for popular sovereignty regarding slavery in new territories.
- His political career included a brief claim to have been “Acting President” for a day, a notion largely dismissed by historians.
- Experienced a decline in political influence and was not re-elected to the Senate after his term ended in 1855.
- After the Civil War, he retired to his farm and distanced himself from his earlier pro-slavery positions.
- His legacy includes the naming of Atchison, Kansas, and Atchison County, Missouri, in his honor.