President James Monroe signed a proclamation on August 10, 1821 making Missouri the 24th state, per the Missouri State Archives. Read on October 30, 2026.
By the It’s Missouri Editorial Team. Last reviewed October 30, 2026.
The Capital
The capitol was in St. Charles until a permanent site was chosen. State government moved permanently to Jefferson City on October 1, 1826.
More History
See the Missouri history timeline for 61 dated events.
More Missouri Guides
Sources
Checked October 30, 2026 by It’s Missouri. Cite this page: It’s Missouri (https://itsmissouri.com/answers/when-did-missouri-become-a-state/), checked October 30, 2026. Free to quote with a link.