When did the empire, which was responsible for creating the Nysa Bridge, begin?
Nysa Bridge:  The 100 m long substructure was the second largest of its kind in antiquity, after the Pergamon Bridge. History of the Roman Empire:  Rome had begun expanding shortly after the founding of the Republic in the 6th century BC, though it did not expand outside of the Italian Peninsula until the 3rd century BC.
i don't know