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
History of Bosnia and Herzegovina Croatia and Serbia in the mid 19th century, and was too well-entrenched to allow for the widespread acceptance of a parallel idea of Bosnian nationhood. By the latter half of the 1910s, nationalism was an integral factor of Bosnian politics, with national political parties corresponding to the three groups dominating elections. The idea of a unified South Slavic state (typically expected to be spearheaded by independent Serbia) became a popular political ideology in the region at this time, including in Bosnia and Herzegovina. The Austro-Hungarian government's decision to formally annex Bosnia-Herzegovina in 1908 (the Bosnian Crisis) added to a sense