 The area north of the Neretva was slowly incorporated into Roman possession until the province of Illyricum was formally established c. 32–27 BC.The Dalmatia region then became part of the Roman province of Illyricum.Between 6 and 9 AD the Dalmatians raised the last in a series of revolts together with the Pannonians, but it was finally crushed and in 10 AD Illyricum was split into two provinces, Pannonia and Dalmatia.