A special election was held in Delaware's at-large congressional district on October 1, 1822 to fill a vacancy left by the resignation of Caesar A. Rodney (DR) on January 24, 1822, having been elected to the Senate. This election was held on the same day as the general elections for Congress in Delaware.
Election results
Rodney took his seat December 2, 1822, at the start of the 2nd session of the 17th Congress.
References
Delaware's at-large congressional district special election, 1822 Wikipedia(Text) CC BY-SA