- Feb 6 First 86 African American émigrés sponsored by the American Colonization Society set sail from New York City to Sierra Leone to start a settlement (present-day Liberia)
- Feb 6 US population announced at 9,638,453, African Americans 1,771,656 (18.4%)
- Feb 23 Cato Street conspiracy uncovered, attempt to murder British Prime Minister Earl of Liverpool and Government Ministers