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While in 10,000 BC, the world population stood at 2 million, it rose to 45 million by 3000 BC. By the Iron Age in 1000 BC, the population had risen to 72 million. By the end of the ancient period in AD 500, the world population is thought to have stood at 209 million. In 10,500 years, the world population increased by 100 times. [2]
Between 7000 and 5000 BC in the Northern Hemisphere, the Mesopotamia, Nile, Indus, Ganges basins, as well as the Yellow River and Yangtze River basins have successively produced the world's Four Great Ancient Civilizations. These four civilizations have successively entered the Bronze Age from the Neolithic Age, and then entered the Metal Age.
The date used as the end of the ancient era is arbitrary. The transition period from Classical Antiquity to the Early Middle Ages is known as Late Antiquity.Late Antiquity is a periodization used by historians to describe the transitional centuries from Classical Antiquity to the Middle Ages, in both mainland Europe and the Mediterranean world: generally from the end of the Roman Empire's ...
Ancient Egypt was one of the world's first civilizations, with its beginnings in the fertile Nile valley around 3150 BC. Ancient Egypt reached the zenith of its power during the New Kingdom (1570–1070 BC) under great pharaohs. Ancient Egypt was a great power to be contended with by both the ancient Near East, the Mediterranean and sub-Saharan ...
A cradle of civilization is a location and a culture where civilization was developed independent of other civilizations in other locations. A civilization is any complex society characterized by the development of the state , social stratification , urbanization , and symbolic systems of communication beyond signed or spoken languages (namely ...
New research from scientists at the French National Center for Scientific Research has revealed the ruins of an ancient city in eastern Ecuador’s Upano Valley, along the foothills of the Andes ...