Administrative devolution was granted to Scotland, with the creation of the Scottish Office, in 1885. In the mid-20th century, the home rule movement became significant, campaigning for a Scottish assembly. Between 1947 and 1950, the Scottish Covenant, a petition requesting a Scottish legislature within the UK, received over two million signatures. It was not until 1979 that devolution entered the political sphere – the 1979 Scottish devolution referendum was held. Despite a vote of 51.6% in favour of devolution, the Scotland Act 1978 was not put into effect due to a requirement that the 'Yes' vote receive the support of 40% of the electorate, which was not met on 63.8% turnout. In 1999, due to the success of a second referendum, the Scottish Parliament was created.