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 this area. [...] When they [Croats in Sarajevo as well as Northern and Central Bosnia] felt they could not survive any more they lifted their hands and accepted their fate. And the Herzegovina Croats promised them the stars in the sky and told them "come here and we will give you a place." And what happened? It resulted in an exodus. And all these miserable Croat refugee communities that look absolutely ugly." Izetbegović came under intense pressure from Tuđman to agree for Bosnia and Herzegovina to be in a confederation with Croatia; however, Izetbegović wanted to prevent Bosnia and