Riksdag Riksdag of the Estates, by tradition thought to have first assembled in Arboga in 1435, and in 1866 following reforms of the 1809 Instrument of Government that body was transformed into a bicameral legislature with an upper chamber () and a lower chamber (). The most recent general election was held on 9 September 2018. The Swedish word "riksdag", in definite form "riksdagen", is a general term for "parliament" or "assembly", but it is typically only used for Sweden's legislature and certain related institutions. In addition to Sweden's parliament, it is also used for the Parliament of Finland and the
Elections in Sweden that, normally four years. The Riksdag may be dissolved earlier by a decree of the prime minister, in which case new elections are held; however, new members will hold office only until the next ordinary election, the date of which remains the same. Thus the terms of office of the new members will be the remaining parts of the terms of the MPs in the dissolved parliament. The unicameral Riksdag has never been dissolved by decree. The last time the second chamber of the old Riksdag was dissolved in this manner was in 1958. The regional and local assemblies cannot