aug 3, 3000 BC - Ancient
Description:
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.Added to timeline:
Date:
aug 3, 3000 BC
Now
~ 5028 years ago
