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
Politics of Bosnia and Herzegovina major ethnic groups termed "constituent peoples", with each having a guaranteed share of power. Bosnia and Herzegovina is divided into two "Entities" – the Federation of Bosnia and Herzegovina and the Republika Srpska, which are politically autonomous to an extent, as well as the district of Brčko, which is jointly administered by both. The Entities have their own constitutions. The Economist Intelligence Unit has rated Bosnia and Herzegovina as "hybrid regime" in 2016. Due to the Dayton Agreement, signed on 14 December 1995, Bosnia and Herzegovina forms an undeclared protectorate with elements of hegemony by neighboring Croatia and Serbia as