The Scottish Liberal Democrats (, ) is a liberal, federalist political party in Scotland, a part of the United Kingdom Liberal Democrats. The party currently holds 4 of the 129 seats in the Scottish Parliament and 4 of the 59 Scottish seats in the House of Commons. The Scottish Liberal Democrats is one of the three state parties within the federal Liberal Democrats, the others being the Welsh Liberal Democrats and the English Liberal Democrats. The Liberal Democrats do not contest elections in Northern Ireland. History Formation and early years The Scottish Liberal Democrat party was formed by the merger of the Scottish Liberal Party and the Social Democratic Party (SDP) in Scotland, as part of the merger of the Liberal Party and SDP on 3 March 1988. The party campaigned for the creation of a devolved Scottish Parliament as part of its wider policy of a federal United Kingdom. In the late 1980s and 1990s it and its representatives participated in the Scottish Constitutional Convention with Scottish Labour, the Scottish Greens, trades unions and churches. It also campaigned for a "Yes-Yes" vote in the 1997 devolution referendum. 1999–2007: Coalition government with Labour In the first elections to the Scottish Parliament in 1999, the Scottish Lib Dems won 17 seats. Following this, it formed a coalition government with Scottish Labour in the Scottish Executive. The then party leader, Jim Wallace, became Deputy First Minister of Scotland and Minister for Justice. He also served as acting First Minister on three occasions, during the illness and then later, the death of the first First Minister Donald Dewar and the following resignation of his successor Henry McLeish. This partnership was renewed in 2003 and Wallace became Deputy First Minister and Minister for Enterprise and Lifelong Learning. On 23 June 2005, Nicol Stephen MSP succeeded Wallace as party leader and took over his positions in the Executive until the 2007 elections. Prior to the partnership government being formed in 1999, the UK had only limited experience of coalition government. The Lib Dems' participation attracted criticism for involving compromises to its preferred policies, although several of its manifesto pledges were adopted as government policy or legislation. These included changes to the arrangements for student contributions to higher education costs (although whether that amounted to the claimed achievement of having abolished tuition fees was hotly contested), free personal care for the elderly and (during the second