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 three ethnic states, a Bosnian Muslim Republic, a Serb Republic, and a Croat Republic. The Serb and Croat political leadership agreed on a partition of Bosnia with the 1991 Karađorđevo agreement and the 1992 Graz agreement, resulting in the Croat forces turning against the Army of the Republic of Bosnia and Herzegovina and the Croat–Bosniak War (1992–94). In 1992, negotiations continued between Serb and Croat leaderships over the partitioning of Bosnia and Herzegovina. Franjo Tuđman argued that Bosnia-Herzegovina should form part of the federal Croatian unit because it was linked historically to Croatia. Tuđman did not take a separate Bosnia