2015 United Kingdom general election in Scotland
A general election was held in the United Kingdom on 7 May 2015 and all 59 seats in Scotland were contested under the first-past-the-post, single-member district electoral system. Unlike the 2010 general election, where no seats changed party, the Scottish National Party (SNP) won all but three seats in Scotland, gaining a total of 56 seats.
Source: Wikipedia — 2015 United Kingdom general election in Scotland (CC BY-SA 4.0)