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 Croatian majority being the Chakavians. They originally came from the river Una valley. Burgenland Croats did not take part in the shaping of the present standard Croatian in the 19th century. Instead, they constructed their own written standard based mainly on the local Chakavian speech and adopted the Croatian alphabet, a modified Latin alphabet, as their script. It is still a matter of debate whether Burgenland Croatian should be classified as a Slavic micro-language of its own. Burgenland Croatian dialects are mostly viewed as isolated dialects of the Croatian. Burgenland Croatian and the Prekmurje dialect of Slovene (in Prekmurje and Hungary)