<Tr> <Td> Wyoming (1) </Td> <Td> Craig Thomas (R) </Td> <Td> Died June 4, 2007 </Td> <Td> John Barrasso (R) </Td> <Td> June 22, 2007 </Td> </Tr> <Tr> <Td> Mississippi (1) </Td> <Td> Trent Lott (R) </Td> <Td> Resigned December 18, 2007 </Td> <Td> Roger Wicker (R) </Td> <Td> December 31, 2007 </Td> </Tr> <Tr> <Td> Illinois (3) </Td> <Td> Barack Obama (D) </Td> <Td> Resigned November 16, 2008 to focus on his transition as President - elect of the United States </Td> <Td_colspan="2"> Vacant until the next Congress </Td> </Tr> <Table> <Tr> <Th> District </Th> <Th> Vacator </Th> <Th> Reason for change </Th> <Th> Successor </Th> <Th> Date successor seated </Th> </Tr> <Tr> <Td> Georgia 10th </Td> <Td> Charlie Norwood (R) </Td> <Td> Died February 13, 2007 . A special election was held June 19, 2007 </Td> <Td> Paul Broun (R) </Td> <Td> July 17, 2007 </Td> </Tr> <Tr> <Td> California 37th </Td> <Td> Juanita Millender - McDonald (D) </Td> <Td> Died April 22, 2007 A special election was held August 21, 2007 </Td> <Td> Laura Richardson (D) </Td> <Td> August 21, 2007 </Td> </Tr> <Tr> <Td> Massachusetts 5th </Td> <Td> Marty Meehan (D) </Td> <Td> Resigned July 1, 2007, to become Chancellor of University of Massachusetts Lowell . A special election was held October 16, 2007 </Td> <Td> Niki Tsongas (D) </Td> <Td> October 16, 2007 </Td> </Tr> <Tr> <Td> Ohio 5th </Td> <Td> Paul Gillmor (R) </Td> <Td> Died September 5, 2007 . A special election was held November 6, 2007 </Td> <Td> Bob Latta (R) </Td> <Td> December 11, 2007 </Td> </Tr> <Tr> <Td> Virginia 1st </Td> <Td> Jo Ann Davis (R) </Td> <Td> Died October 6, 2007 . A special election was held December 11, 2007 </Td> <Td> Rob Wittman (R) </Td> <Td> December 11, 2007 </Td> </Tr> <Tr> <Td> Illinois 14th </Td> <Td> Dennis Hastert (R) </Td> <Td> Resigned November 26, 2007 . A special election was held March 8, 2008 </Td> <Td> Bill Foster (D) </Td> <Td> March 8, 2008 </Td> </Tr> <Tr> <Td> Indiana 7th </Td> <Td> Julia Carson (D) </Td> <Td> Died December 15, 2007 . A special election was held March 11, 2008 </Td> <Td> André Carson (D) </Td> <Td> March 11, 2008 </Td> </Tr> <Tr> <Td> Mississippi 1st </Td> <Td> Roger Wicker (R) </Td> <Td> Resigned December 31, 2007, when appointed U.S. Senator . A special election was held May 13, 2008 </Td> <Td> Travis Childers (D) </Td> <Td> May 13, 2008 </Td> </Tr> <Tr> <Td> Louisiana 1st </Td> <Td> Bobby Jindal (R) </Td> <Td> Resigned January 14, 2008 to become Governor of Louisiana . A special election was held May 3, 2008 </Td> <Td> Steve Scalise (R) </Td> <Td> May 3, 2008 </Td> </Tr> <Tr> <Td> Louisiana 6th </Td> <Td> Richard Baker (R) </Td> <Td> Resigned February 2, 2008 to become President of the Managed Funds Association . A special election was held May 3, 2008 </Td> <Td> Don Cazayoux (D) </Td> <Td> May 3, 2008 </Td> </Tr> <Tr> <Td> California 12th </Td> <Td> Tom Lantos (D) </Td> <Td> Died February 11, 2008 . A special election was held April 8, 2008 </Td> <Td> Jackie Speier (D) </Td> <Td> April 8, 2008 </Td> </Tr> <Tr> <Td> Maryland 4th </Td> <Td> Albert Wynn (D) </Td> <Td> Resigned May 31, 2008, having lost re-nomination . A special election was held June 17, 2008 </Td> <Td> Donna Edwards (D) </Td> <Td> June 17, 2008 </Td> </Tr> <Tr> <Td> Ohio 11th </Td> <Td> Stephanie Tubbs Jones (D) </Td> <Td> Died August 20, 2008 . A special election was held November 18, 2008 </Td> <Td> Marcia Fudge (D) </Td> <Td> November 18, 2008 </Td> </Tr> <Tr> <Td> Virginia 11th </Td> <Td> Thomas M. Davis (R) </Td> <Td> Resigned November 24, 2008 in advance of his retirement . </Td> <Td_colspan="2"> Vacant until the next Congress </Td> </Tr> <Tr> <Td> Illinois 5th </Td> <Td> Rahm Emanuel (D) </Td> <Td> Resigned January 2, 2009 to become White House Chief of Staff </Td> </Tr> <Tr> <Td> Puerto Rico At - large </Td> <Td> Luis Fortuño (R and PNP) </Td> <Td> Resigned January 2, 2009 to become Governor of Puerto Rico </Td> </Tr> </Table>

When was the last time the democrats controlled congress