700 BC: Foundation of Assos by Lesbians from Methymna.
first half of the 6th c. BC: The city under Lydian control.
c. 545 BC: Assos under Persian control.
525 BC: Construction of the Doric temple of Athena.
478 BC: Assos joins the Athenian League.
412 BC: Assos defects from the Athenian League and comes under Persian control.
387 BC: Antalcidas' Peace. Assos belongs to the Persian Empire.
366/365 BC: The mutineer satrap of the Hellespontic Phrygia, Ariobarzanes, is besieged at Assos by Autophradates and Mausolus.
360-348 BC: Independent kingdom of Eubulus.
348-345 BC: Hermeias assumes power. Aristotle stays and teaches.
344-334 BC: Assos again under Persian occupation.
early 3rd c. BC: Assos under Galatian control.
241 BC: The city belongs to the kingdom of Pergamon.
129 BC: The city becomes part of the province of Asia.
77 BC: Member of the Koinon of Athena of Ilion.
17 AD: Germanicus visits the city and is proclaimed god.
37 AD: Caligula becomes emperor and a new era starts for the city.