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 Slovakia, southern Poland and southern Czech Republic are often also called Burgenland Croats. They use the Burgenland Croatian written language and are historically and culturally closely connected to the Austrian Croats. The representatives of the Burgenland Croats estimate their total number in all three countries and emigration at around 70,000. Burgenland Croatian was the language of Croatian refugees who fled Croatia during the Turkish Wars and settled in the western part of what was then Hungary, the area where they still live. Burgenland Croats included speakers of all three dialects of the Serbo-Croatian language (Shtokavian, Chakavian and Kajkavian), with the