Demographic history of Bosnia and Herzegovina of Catholic preachers. Preottoman Catholic population had a great share in the emigrations from Bosnia and Herzegovina. The emigration flows were directed towards Dalmatia, Croatia, Slavonia, Baranja and north-west Bačka. The western part of today's region of Bosnia, today known as Bosnian Krajina, was taken by the Ottomans in the 16th century, and was for some time still known as "Turkish Croatia", as its once overwhelming Catholic and Croat majority disappeared and the Ottomans entrenched the new border along the Sava and Una rivers. After more than a century of military losses, the Habsburg Empire waged some victorious wars against
Serbs of Bosnia and Herzegovina in opening and maintaining sokol and gymnastic clubs. Žakula was the initiator of the establishment of Serbian gymnastics society "Obilić" in Mostar and Sports and gymnastic society "Serbian soko" in Tuzla. Sokol societies were also established in another cities across the Bosnia and Herzegovina. In 1908, Austria-Hungary annexed Bosnia & Herzegovina, at this time majority Serb-inhabited, going against the directions of the Berlin Congress, which caused an uproar in Montenegro and Serbia. This Annexation crisis, was one of the reasons for later tensions which led to the eruption of WWI. The first parliamentary elections in Bosnia and Herzegovina were held