During the reign of Decebalus , the Dacians were engaged in several wars with the Romans from 85 to 89 CE .
The Roman Empire expansion in the Balkans brought the Dacians into open conflict with Rome .
During the reign of Decebalus , the Dacians were engaged in several wars with the Roman Empire from 85 to 89 CE .
The Roman Empire expansion in the Balkans brought the Dacians into open conflict with Rome .