End of 12th-beginning of 1th c.B.C.. The Dorian tribe of Ozolian Lokroi conquer the region- they construct ships to help them cross to the Peloponnese and thus Nafpaktos acquires its name. 
456-454 B.C. Citizens of Messene, driven away from their land by the Spartans, who then enlarged their state, settle at Nafpaktos (until then under the Ozolian Lokroi) under the instigation of the Athenians. 
431-404 B.C. Peloponnesian War: control of Nafpaktos and the entrance to the Corinthian Gulf becomes a point of conflict between the Spartan and the Athenian coalition. 
369 B.C. After the weakening of Athens, the Messenians of Nafpaktos are forced by the Spartans to adhere  it once more to the Ozolian Lokroi and to relocate to Sicily. 
371-361 B.C. Short Achaean domination due to the tumult created by the conflict between Thebes and Sparta. 
361 B.C. The Theban hegemony expands. Epameinondas places a Theban garrison at Naupaktos. 
191 B.C. Roman conquest. Nafpaktos belongs again to the Locroi and is controlled by Patras.
6th c. A.D. Architectural flourishing under.
6th-10th c. A.D. Slavic Raids.
10th c. A.D. Nafpaktos administratively linked to the "Thema Hellados". 
12th c. A.D. Nafpaktos is administratively linked to the "Thema" of Nikopolis
1204-1210  Brief Venetian presence after the 4th Crusade. Nafpaktos is first mentioned in the sources as Nepanto, later Lepanto.
1210-1294 Nafpaktos is part of the Despotate of Epirus.
1294 Nafpaktos is offered as dowry to Philip of Tarentum of the dynasty of the Angevins, upon his marriage to the daughter of Nicephoros Doukas Komnenos, Thamar. 
1321-1361 Alternating control by the Angevins and the Despots of Epirus.
1361-1407 Nafpaktos, together with the rest of Aetoloakarnania, is under the control of Albanian dynasts (of the Bua family)
1407-1499 First Venetian Occupation
1499-1686 Ottoman occupation
1686-1699 Second Venetian Occupation
1699-1821 Ottoman Occupation
1829 Nafpaktos passes on the newly founded Greek State.

Western Greece Region
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