Riksdag Swedish king Gustav I Vasa to include representatives from all the four social estates: the nobility, the clergy, the burghers (property-owning commoners in the towns such as merchants etc.), and the yeomanry (freehold farmers). This form of "Ständestaat" representation lasted until 1865, when representation by estate was abolished and the modern bicameral parliament established. Effectively, however, it did not become a parliament in the modern sense until parliamentary principles were established in the political system in Sweden, in 1917. On 22 June 1866, the Riksdag decided to reconstitute itself as a bicameral legislature, consisting of "Första kammaren" or the First
First Parliament of the United Kingdom in the Irish Parliament was vacant, then the remaining member for the constituency was automatically chosen for the Westminster Parliament. If both seats were vacant a by-election was held. Monmouthshire (1 County constituency with 2 MPs and one single member Borough constituency) is included in Wales in these tables. Sources for this period may include the county in England. Table 1: Constituencies and MPs, by type and country Table 2: Number of seats per constituency, by type and country First Parliament of the United Kingdom In the first Parliament to be held after the Union of Great Britain and Ireland