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
South Main Street Historic District (Coventry, Rhode Island) Greek Revival styling, while most of the remaining houses were built before 1920. The principal non-residential structures are a VFW hall, which began as a mid-19th century residential structure associated with Rhode Island's prominent Whipple family, the Stillwater Company mill at the northern end of the district (1914), and the three-room Cady Street Schoolhouse (1844). The area was added to the National Register of Historic Places in 1987. South Main Street Historic District (Coventry, Rhode Island) The South Main Street Historic District is a historic district in Coventry, Rhode Island. It extends along South Main Street from its crossing of