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 Mario Nobilo, a senior advisor to Tuđman, is reported by Tim Judah to have informed him directly that talks took place "to resolve the Yugoslav conflict by carving up the Republic of Bosnia and Herzegovina and creating an Islamic buffer-state between them". Testimonies of other American and British politicians such as Ambassador Herbert Okun (a US veteran diplomat) suggested that the meeting was about the division of Bosnia and Herzegovina. Paddy Ashdown also claimed that the division of Bosnia and Herzegovina between Croatia and Serbia was a goal of Tuđman's. Stjepan Mesić held Milošević responsible for "creating a Greater Serbia