Croats of Bosnia and Herzegovina Dalmatian Croatia formed a united Croatian kingdom, which included Dalmatia and part of Bosnia and Herzegovina, Pannonia (eastern Slavonia and northeastern Bosnia), and Savia (western Slavonia). In 1102 Croatia entered into a union with the Kingdom of Hungary. After this, Bosnia, which was earlier part of the Kingdom of Croatia, started to disassociate with Croatia. At first, Bosnia became a separate principality under Ban Kulin who managed to solidify Bosnian autonomy at the expense of more powerful neighbours, but only in the 14th century did Bosnia become a formidable state. In the 14th century, King Tvrtko I conquered part of
Bosnia and Herzegovina–Croatia relations and Herzegovina and Croatia were engaged in the early-1990s Yugoslav wars, armed conflicts which followed the break-up of SFR Yugoslavia into five sovereign countries: Bosnia and Herzegovina, Croatia, Republic of Macedonia, Slovenia, and FR Yugoslavia (later broken up into Serbia, Montenegro and Kosovo). Croats, Bosniaks and Serbs (including Bosnian Croats and Bosnian Serbs) fought each other exchanging alliances in a series of conflicts. The majority of the wars were fought on Bosnia–Herzegovina territory, where Croats established the Croatian Republic of Herzeg-Bosnia. However, after the wars Bosnia and Herzegovina and Croatia retained the same border they had during SFR Yugoslavia, and