<Tr> <Th_colspan="2"> Sessions </Th> </Tr> <Tr> <Td_colspan="2"> 1st: January 6, 2009--December 24, 2009 2nd: January 5, 2010--December 22, 2010 </Td> </Tr> <P> The One Hundred Eleventh United States Congress was a meeting of the legislative branch of the United States federal government from January 3, 2009, until January 3, 2011 . It began during the last two weeks of the George W. Bush administration, with the remainder spanning the first two years of Barack Obama's presidency . It was composed of the Senate and the House of Representatives . The apportionment of seats in the House was based on the 2000 U.S. Census . In the November 4, 2008, elections, the Democratic Party increased its majorities in both chambers, giving President Obama a Democratic majority in the legislature for the first two years of his presidency . A new delegate seat was created for the Northern Mariana Islands . The 111th Congress had the most experienced members in history: at the start of the 111th Congress, the average member of the House had served 10.3 years, while the average Senator had served 13.4 years . This Congress has been considered one of the most productive Congresses in history in terms of legislation passed since the 89th Congress, during Lyndon B. Johnson's Great Society . </P> <Ul> <Li> January 2009: Two Senate seats were disputed when the Congress convened: <Ol> <Li> An appointment dispute over the Illinois seat vacated by President Barack Obama arose following Illinois Governor Rod Blagojevich's solicitation of bribes in exchange for an appointment to the Senate . Roland Burris (D) was appointed to the seat on December 31, 2008 but his credentials were not accepted until January 12, 2009 . </Li> <Li> An election dispute over the Minnesota seat previously held by Norm Coleman (R), between Coleman and challenger Al Franken (D), was decided in June 30, 2009 in favor of Franken . Franken's admission gave the Senate Democratic caucus sixty votes, enough to defeat a filibuster in a party - line vote . </Li> </Ol> </Li> <Li> January 8, 2009: Joint session counted the Electoral College votes of the 2008 presidential election . </Li> <Li> January 20, 2009: Inauguration of President Barack Obama and Vice President Joe Biden . </Li> <Li> February 24, 2009: President's speech to a Joint Session </Li> <Li> April 28, 2009: Senator Arlen Specter switched from the Republican Party to the Democratic Party . </Li> <Li> September 9, 2009: President Obama addressed a joint session of Congress to promote health care reform, which Representative Joe Wilson (R) interrupted by shouting at the President . </Li> <Li> January 25, 2010: 2010 State of the Union Address </Li> <Li> February 4, 2010: Republican Scott Brown's election to the Senate ended the Democratic supermajority . </Li> <Li> April 20, 2010: Deepwater Horizon oil spill </Li> <Li> November 2, 2010: 2010 general elections, in which Republicans regained control of the House while the Democrats remained in control of the Senate . </Li> </Ul>

Who controlled the house and senate in 2010