Prehistoric finds show that they were originally inhabited by Pelasgians, Kares, Leleges and later by Dorians. He participated in the Trojan war, conquered by the Persians and from the 4th century BC. century as a member of the Athenian alliance, has witnessed great growth. Literature was distinguished by Pozharam, Filitas, Theocritus and Herdas. The most prominent personality is Hippocrates the Koos (460- 380 BC).

He is the father of medical science, the founder of rational modern medicine, free of superstition and supernatural elements. He adapted Medical Science to human-centered ethic-ethics philosophy and humanistic values. He studied the endemic diseases, the way people live, the climatic conditions, the impact of the environment.

He perceived, deepened and taught that diseases have a natural cause, they are caused by disturbing the balance of physical composition, and nutrition plays an important role in this. Today it is still honored and doctors and students give their famous oath.

Valuing the value of goods was the foundation of the economy. As a means of exchange, the currency evolved into an artistic creation with impressed symbols, representations and inscriptions, information of culture, religion, language and public life, thus also highlighting the cultural level of publishing cities.

In its coinage, the coin was conceived in the late 7th century by the Minority Greeks and the Lydians. The silver coins of Kos appear in the 5th century BC. century and in front of the disc was recorded while on the back the cancer (crab). Signs and archaeological finds indicate a mint in Kos since the beginning of the 4th century BC. century.

Kos island is located in the southern part of the Aegean basin, at the crossroads of three continents, between 1,150 islets and rocky islets (100 inhabited).

Source: Kos Ancient times, coins, people, gods and symbols (syntaxilte.gr)