A relative humidity level between 40% and 50% is generally considered to be the most comfortable. Anywhere from 30% to 60% is acceptable, but ideally you want to avoid the extremes of that range.
Ancient Greek civilization began around 1600 BC, at Mycenae and in Crete. It ended with the annexation of Greece by Rome in 146 BC. It was at its height around 431 BC, when the Peloponnesian War between Sparta and Athens began.
Economic history of Greece and the Greek world - Earliest Greek civilizations. 1  Cycladic civilization is the earliest known civilization to emerge on the Greek mainland, it was a Stone Age culture and knowledge of economic history is thus limited to archaeological evidence.