195- ROMAN TOWN PLANNING, Pompeii: Remains of the Forum. A Short timeline of Pompeii; 8th century BC Iron Age agricultural settlement. 6th century BC the City founded by Oscans, Greeks or Etruscans- City walls built and Street grid laid out. 4th century to 80 BC, Samnite Period; Taken over by an even more powerful Italic tribe called the Samnites. 91-87 BC, Social War; Pompeii besieged. 80 BC, Roman colony founded. AD 62, Earthquake strikes Pompeii. AD 79, Pompeii destroyed by Vesuvius.