2nd c. BC: Construction of the Hellenistic Theatre. 
1nd c. AD: Restoration of the theatrical building. The theatre of Ephesus was converted into a Roman Asia Minor – style theatre. 
mid-2nd c. AD: The theatre turned into an arena for amphitheatric games. 
3rd, 4th c. AD: Destructive earthquakes caused considerable damages to the theatrical structure.
8th c. AD: The theatre became part of the city’s fortification.