Atlas of Battles

naval engagement, notable, ancient

Battle of Cynossema

Battle of Cynossema was a naval engagement fought in 411 BC at Kilitbahir, in what is now Turkey. It was part of the Peloponnesian War, which ran from 431 BC to 404 BC. The recorded result: Athenian victory. Recorded strength: 76 ships against 86 ships.

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Fought411 BC
WhereKilitbahir, Turkey40.142N, 26.388E
OutcomeAthenian victory
BelligerentsAthens and alliesagainstSparta and allies
Casualties and losses15 shipsand21 ships
Part ofPeloponnesian War431 BC to 404 BC

Where it sits in the Peloponnesian War

Battle of Sybota, 433 BCBattle of Potidaea, 432 BCBattle of Plataea, 431 BCBattle of Naupactus, 429 BCBattle of Spartolos, 429 BCBattle of Rhium, 429 BCSiege of Plataea, 429 BCBattle of Corcyra, 427 BCBattle of Tanagra, 426 BCBattle of Sphacteria, 425 BCBattle of Pylos, 425 BCBattle of Solygeia, 425 BCBattle of Delium, 424 BCBattle of Megara, 424 BCBattle of Mantinea, 418 BCBattle of Orneae, 417 BCBattle of Melos, 415 BCBattle of Milet, 412 BCBattle of Abydos, 411 BCBattle of Cynossema, 411 BCBattle of Syme, 411 BCBattle of Eretria, 411 BCBattle of Cyzicus, 410 BCBattle of Ephesus, 409 BCSiege of Chalcedon, 409 BCSiege of Byzantium, 408 BCSiege of Andros, 408 BCBattle of Notium, 406 BCSiege of Athens, 404 BC433 BC404 BCBattle of Cynossema, 411 BC
29 placed engagements of the Peloponnesian War in time order; taller ticks are more widely documented. Each tick is a link.

Record

Date411 BC (year precision)
PlaceKilitbahir, Turkey
40.142N, 26.388E
KindNaval engagement, ancient
Strength76 ships86 ships
Casualties and losses15 ships21 ships
Commanders
  • Thrasyllus
  • Thrasybulus
  • Mindarus
Battle of CynossemaBattle of CynossemaBattle of the HellespontBattle of ElliBattle of the DardanellesBattle of ByzantiumBattle of the DardanellesBattle of the HellespontBalıkesirTekirdağXanthiMitiliniKavalaAlexandroupoli100 km40.142N, 26.388E
The recorded site, with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

Nearest engagements

In the same war

Battle of Cynossema is one of 99 engagements of the 5th century BC in the atlas and one of 622 in present-day Turkey.

Sources

Identity, coordinates, dates and the war from Wikidata Q2119676, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Battle of Cynossema, revision 1370109442, read 2026-11-14, licensed CC BY-SA 4.0; the article's text is not reproduced here. Present-day country and state from Natural Earth. Dates before 1582 follow the Julian calendar as recorded.