Burgenland Croatian have influenced each other. The first Prekmurje Slovene works (for example, the Old Hymnal of Martjanci) was applied to the Burgenland Croatian books. A few of those that wrote in Prekmurje Slovene were of Burgenland Croatian descent (for example Jakab Szabár) and also Burgenland Croatian (József Ficzkó). After the dissolution of the Austro-Hungarian monarchy in 1918 the areas in which Burgenland Croats lived were divided between Austria, Czechoslovakia and Hungary. After 1921 most of these areas became part of Austria, which established a new province of Burgenland, after which the Croatian minority was named. In 1922 Austria founded the "Apostolic
Burgenland as a "Landtag" (representative assembly) and "Statthalter" (imperial governor). On 18 July 1922, the first elections for the parliament of Burgenland took place. Various interim arrangements were required due to the changeover from Hungarian to Austrian jurisdiction. The parliament decided in 1925 on Eisenstadt as the capital of Burgenland, and moved from the various provisional estates throughout the country to the newly built "Landhaus" in 1929. The first Austrian census in 1923 registered 285,600 people in Burgenland. The ethnic composition of the province had changed slightly: the percentage of Germans increased compared to 1910 (227,869 people, 80%) while the percentage