Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Petra' has mentioned 'Roman Empire' in the following places:
Occurrence Sentence Text Source
Although the Nabataean kingdom became a client state of the Roman Empire in the first century BC, it was only in 106 AD that it lost its independence.
In AD 106, when Cornelius Palma was governor of Syria, the part of Arabia under the rule of Petra was absorbed into the Roman Empire as part of Arabia Petraea, and Petra became its capital.
Emperor Elagabalus declared Petra to be a Roman colony, when he reorganised the Roman Empire towards the end of the 3rd century.