The Majority Coalition Caucus (MCC) was a caucus formed on December 10, 2012, by all 23 Republican members of the Washington State Senate and two Democratic senators. Its membership constituted a majority of the chamber's 49 members, allowing it to take control of the Senate from the Democratic caucus whose members had previously formed a majority. The MCC, operating much like a coalition government, offered an equal number of committee leadership positions to Republicans and Democrats. Senate Democrats accepted only three of the nine positions offered them. The Republicans strengthened their position by gaining one seat in the 2013 election, but lost its majority following a special election in November 2017. The coalition has 23 Republicans and one self-identified Democratic senator, Tim