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
Agreement on Friendship and Cooperation between Bosnia and Herzegovina and Croatia in the Bosnian government including the premiership and the ministry of defence, but despite this carried out a separate policy and refused for the HVO to be integrated into ARBiH. Jerko Doko, the Bosnian defence minister, gave the HVO priority in the acquisition of military weapons. In January 1992, Tuđman had arranged for Stjepan Kljuić, president of the Croatian Democratic Union of Bosnia and Herzegovina (HDZ BiH) who favored cooperating with the Bosniaks towards a unified Bosnian state, to be ousted and replaced by Mate Boban, who favored Croatia to annex Croat-inhabited parts of Bosnia and Herzegovina. A rift existed