3 agos 3000 anni a. C. - Ancient
Descrizione:
In this era first civilizations develop. These were concentrated in fertile river valleys: the Tigris and Euphrates in Mesopotamia, the Nile in Egypt,] the Indus in the Indian subcontinent, and the Yangtze and Yellow Rivers in China.
Aggiunto al nastro di tempo:
HISTORY OF THE WORLD
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