Early history of Bosnia and Herzegovina blocks. Daors made unique bronze coins and sculptures. Conflict between the Illyrians and ancient Romans started in 229 BC. In the year 168 BC, the land of Illyrians became the Roman province of Illyricum. Rome complete its annexation of the region in 9, ending a three-year rebellion of Illyrians against Romans. In year 10, Illyria was divided and the northern strip of today's Bosnia along the south side of the Sava River became part of the new province of Pannonia. The rest of what is today Bosnia, Herzegovina, Montenegro, Dalmatia, and western Serbia became part of the Roman province of
Serbs of Bosnia and Herzegovina of Yugoslavia, the Serbian Autonomous Area of the Bosnian Frontier was formed in the western Bosnian Frontier region of Bosnia and Herzegovina with its capital in Banja Luka, which was not recognised by the central government. SAO Bosnian Frontier made attempts to unite with the Autonomous Region of the Serbian Frontier in Croatia. The Serb political leadership martialled its own force assisted by the Yugoslav People's Army and declared independence from Bosnia and Herzegovina in late 1992. BiH's Bosniak and Bosnian Croat dominated government did not recognize the new Serbian Republic of Bosnia and Herzegovina, whose president was Radovan Karadžić