The significance of the four ancient civilizations lies not in the chronological order, but in the fact that they are the birthplaces of many later civilizations and have had a great influence on their regions. The four major civilizations are primitive civilizations, and other civilizations, including the Aegean civilization, are derived civilizations, which are deeply influenced by the primitive civilizations in the surrounding areas.
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International recognition of four ancient civilizations;
1. The definition of the four ancient civilizations originated from Song of the Pacific Ocean in the Twentieth Century written by Liang Qichao in 1900, which holds that "there are four ancient civilizations on earth: China, India, Egypt and Asia Minor".
2. The fertile river basins and plains (Anoos, Stavri, USA) in the Middle East, Indian, China and Europe mentioned in global history gave birth to the greatest civilization in history. These civilizations have made Eurasia the center of world history and played an important role.
More specifically, the civilization centers in the Middle East include the Nile Valley, the Tigris and Euphrates rivers and the Iranian Plateau. The ancient civilization centers of China were the Yellow River Basin and the Yangtze River Basin. The center of European civilization is on the northern shore of the Mediterranean-this area has always occupied obvious advantages in economy and culture from the Minoan culture period to the end of the Middle Ages.
3. China, ancient Egypt, Mesopotamia and ancient India are also considered as the four ancient civilizations in the world in the large-scale documentary Four Civilizations of the World by NHK TV.
The Yellow River, Nile River, Euphrates River and Indus River are called the four ancient civilizations in the BBC documentary "The Trajectory of Civilization".
Baidu Encyclopedia-Four Ancient Civilizations