Dodecanese relative quiet and prosperity. In 408 BC, the three cities of Rhodes had united to form one state, which built a new capital on the northern end of the island, also named "Rhodes"; this united Rhodes was to dominate the region for the coming millennia. Other islands in the Dodecanese also developed into significant economic and cultural centers; most notably, Kos served as the site of the school of medicine founded by Hippocrates. However, the Peloponnesian War had so weakened the entire Greek civilization's military strength that it lay open to invasion. In 357 BC, the islands were conquered by
Syrna (island) 7 December 1946, the ship "Athina Rafiah" carrying Jewish immigrants to Palestine was wrecked in the Agiou Soassin Bay, on the south coast of Syrna, and more than seven hundred survivors came ashore on the island. The British minesweeper HMS "Providence", working with HMS "Chevron", HHMS "Themistocles" and HHMS "Aegean" managed to rescue the survivors. Syrna (island) Syrna () or Sirna is a small island about 4 km in area to the south-east of Astypalaia in the Dodecanese group of Greek islands near the south-west coast of Turkey. It is mostly covered with juniper and garrigue scrub. The few inhabitants