Feedback
Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login).
Thank you for your feedback

Our editors will review what you’ve submitted and determine whether to revise the article.

Atchison, city, seat (1855) of Atchison county, northeastern Kansas, U.S., on the Missouri River. A French trading post at the site of the present city was the embarkation point, in 1804, for the Lewis and Clark expedition. Founded in 1854 by a group of proslavery settlers, it was named for their leader, David Rice Atchison, a U.S. senator from Missouri. It developed as a focus for rail and river traffic, and in 1859 a charter...