Croats of Bosnia and Herzegovina transferred to the Austro-Hungarian Empire. Even after the fall of the Ottoman rule, the population of Bosnia and Herzegovina was divided. In the Habsburg Kingdom of Croatia, Croatian politicians strived for the unification of the Kingdom of Dalmatia with Croatia. Another ambition of Croatian politicians was to incorporate the Condominium of Bosnia and Herzegovina into the Kingdom of Croatia. The Habsburg Governor Béni Kállay resorted to co-opt religious institutions. Soon, the Austrian Emperor gained support to name Orthodox metropolitans and Catholic bishops and to choose Muslim hierarchy. The first Catholic archbishop was Josip Stadler. Both apostolic vicarates, Bosnian and Herzegovinian,
Partition of Bosnia and Herzegovina it was internally divided into six oblasts of the Kingdom of Serbs, Croats and Slovenes. In 1929, the oblasts were replaced with four Banovinas of the Kingdom of Yugoslavia, but all of them also included regions outside of Bosnia and Herzegovina. The Cvetković-Maček agreement that created the Banovina of Croatia in 1939 encouraged what was essentially a partition of Bosnia between Croatia and Serbia. The agreement angered Bosniaks, then known as Yugoslav Muslims, including the Yugoslav Muslim Organization (JMO) that denounced the agreement's partition of Bosnia and Herzegovina. During the Bosnian War, it was proposed that BiH be divided into