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
Croats of Bosnia and Herzegovina would include a federal unit with a Croatian majority. It remains the permanent aspiration of the Croatian people of Bosnia and Herzegovina." Currently, there are several Croatian political parties in Bosnia and Herzegovina, many corresponding to parties within Croatia itself. The Croatian Democratic Union of Bosnia and Herzegovina (HDZ BiH), Croatian Democratic Union 1990 (HDZ 1990) are the most popular parties. HDZ was founded in 1990 and is major political parties among Bosnian Croats, being the most powerful during the Bosnian War (1992–1995) and existence of the Croatian Republic of Herzeg-Bosnia (1991–1994). HDZ is Christian democratic, conservative and pro-Europeanist political