A special election was held in Vermont's 1st congressional district on September 6, 1808 to fill a vacancy caused by the resignation of James Witherell (DR) on May 1 of the same year, to accept a position as judge of the Supreme Court of Michigan Territory.
Election results
Shaw took his seat on November 8, 1808
References
Vermont's 1st congressional district special election, 1808 Wikipedia(Text) CC BY-SA