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 possibility to become, once they fulfill the necessary conditions, Member States of the EU. Bosnia and Herzegovina is therefore a potential candidate country for EU accession. The implementation of the Dayton Accords of 1995 has focused the efforts of policymakers in Bosnia and Herzegovina, as well as the international community, on regional stabilization in the countries-successors of the former Yugoslavia. Within Bosnia and Herzegovina, relations with its neighbors of Croatia, Serbia and Montenegro have been fairly stable since the signing of the Dayton Agreement in 1995. On 23 April 2010, Bosnia and Herzegovina received the Membership Action Plan from NATO,