The 2015 United Kingdom general election in Scotland was held on 7 May 2015 and all 59 seats were contested under the first-past-the-post electoral system. Unlike the 2010 general election, where no seats changed party, the Scottish National Party (SNP) won all but three seats in Scotland in an unprecedented landslide victory, gaining a total of 56 seats and taking the largest share of the Scottish vote in sixty years, at exactly 50 per cent. The Labour Party suffered its worst ever election defeat in Scotland, losing 40 of the 41 seats they were defending, including the seats of Scottish Labour leader Jim Murphy and the then Shadow Foreign Secretary Douglas Alexander. The Liberal Democrats lost ten of the eleven seats they were defending, with the then Chief Secretary to the Treasury Dann