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
Member of parliament a common name for all legislative assemblies, and hence parlamentario for the member of any of them, which can usually refer to members of: Members of the Congress of Deputies are called "diputados" (deputies), impliying that they are elected to act in the name and on behalf of the people they represent. It is also usual to call members of the European Parliament "eurodiputados". "Members of Parliament" refers to the elected members of the Riksdag. In Swedish, an MP is usually referred to as a "riksdagsledamot" ("member of the Riksdag") or a "riksdagsman" ("Gentleman of the Riksdag"). The former is