It lay on the ancient trade route from Sinope to the Euphrates, on the Persian "Royal Road" from Sardis to Susa, and on the great Roman highway from Ephesus to the East.
The leading earlier Cynics were Antisthenes, Diogenes of Sinope, Crates of Thebes, and Zeno; in the later Roman period, the chief names are Demetrius (the friend of Seneca), Oenomaus and Demonax.
- The Turkish sea-power, already decayed owing to a variety of causes (for the effect of the revolt of the Greek islanders see Greek Independence, War Of), was shattered by the catastrophe of Sinope (1853).
Sinope, Kastamuni and Samsun were surrendered by the prince of Isfendiar, and the conquest of Asia Minor seemed assured.
On the 30th of November the Russian fleet attacked and destroyed a Turkish squadron in the harbour of Sinope; on the 3rd of January the combined French and British fleets entered the Black Sea, commissioned to " invite " the Russians to return to their harbours.