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 state of the United Nations on 22 May 1992. Serbian leader Slobodan Milošević and Croatian leader Franjo Tuđman are believed to have agreed on a partition of Bosnia and Herzegovina in March 1991, with the aim of establishing Greater Serbia and Greater Croatia. Following Bosnia and Herzegovina's declaration of independence, Bosnian Serb militias mobilized in different parts of the country. Government forces were poorly equipped and unprepared for the war. International recognition of Bosnia and Herzegovina increased diplomatic pressure for the Yugoslav People's Army (JNA) to withdraw from the republic's territory, which they officially did in June 1992. The Bosnian