Clearchus of Sparta
Clearchus or Clearch (Ancient Greek: Κλέαρχος; 450 BC – 401 BC), also known as Clearchus the Lacedaemonian or Clearchus the son of Rhamphias, was a Spartan general and mercenary, noted for leading the Ten Thousand in battle against the Persian king. == Biography == === Peloponnesian War === Born about the middle of the 5th century BC, Clearchus was sent with a Spartan fleet to the Hellespont in 412 BC and took over Byzantium, in which he was made proxenos.