On May 8, 1822, the last day of the First Session of the 17th Congress, William Milnor (F) of Pennsylvania's 1st district resigned.[1] A special election was held to fill the resulting vacancy on October 1, 1822, a week before the general elections for the 18th Congress.
- ^ "Seventeenth Congress March 4, 1821, to March 3, 1823" (PDF). Office of the Historian, United States House of Representatives. Archived from the original (PDF) on December 13, 2012. Retrieved December 14, 2012. footnote 50