History of the Cyclades have been found on Naxos. The operation of silver mines on Siphnos may also date to this period. At the end of the 19th century, the Greek archaeologist Christos Tsountas, having assembled various discoveries from numerous islands, suggested that the Cyclades were part of a cultural unit during the 3rd millennium BC: the Cycladic civilisation, dating back to the Bronze Age. It is famous for its marble idols, found as far as Portugal and the mouth of the Danube, which proves its dynamism. It is slightly older than the Minoan civilisation of Crete. The beginnings of the Minoan civilisation were
Indus Valley Civilisation the Indus Valley, where the first remains were found. The Indus Valley Civilisation was also named as the "Harappan civilisation" after Harappa, the first of its sites to be excavated in the 1920s, in what was then the Punjab province of British India. The Indus Valley Civilisation has also been called by some the "Sarasvati culture", the "Sarasvati Civilisation", the "Indus-Sarasvati Civilisation" or the "Sindhu-Saraswati Civilisation", as the Ghaggar-Hakra river is identified by some with the mythological Sarasvati River, suggesting that the Indus Valley Civilisation was the Vedic civilisation as perceived by traditional Hindu beliefs. The Indus Valley Civilisation (IVC)