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
Partition of Bosnia and Herzegovina republic after the Second World War and that it should be annexed to Croatia", Mesić responded "Those were his ideas, that Bosnia was supposed to belong to Croatia on the basis of a decision that should have been adopted by AVNOJ." The Yugoslav Wars resulted in at least 97,000 deaths of citizens of Bosnia and Herzegovina, and more than 1.5 million expelled. A country where previously no region could be described as purely Bosniak, Serb or Croat shifted to a partitioning into multiple ethnically homogeneous nations. The policies of Tuđman and Croatia towards Bosnia and Herzegovina were never completely transparent,