1. Oscans - Towards the end of the 7th Century BC
2. Greeks - 7th and 6th centuries BC
3. Etruscans - Towards the end of the 6th century BC
4. Samnites - Towards the end of the 5th century BC
5. Romans - 311 BC till of course 79 Ad when Vesuvius erupted.
That should be helpful darl.