c. 320★★★★★
Founding of the Gupta Empire
Chandragupta I takes the throne, beginning the Gupta era, often regarded as a golden age of Indian science, art and literature.
Dynasty· India
Chandragupta I takes the throne, beginning the Gupta era, often regarded as a golden age of Indian science, art and literature.
In the desert of southern Peru, the Nazca and earlier cultures create enormous geoglyphs on the ground, best seen in full from above.
Teotihuacan in the Valley of Mexico grows into one of the largest cities in the world of its time, with the Pyramid of the Sun and the Avenue of the Dead.
Maya city-states such as Tikal, Palenque and Calakmul reach their height in architecture, writing, astronomy and calendrics.
The Soninke Ghana Empire (Wagadu) flourished in what is now Mauritania and Mali, growing rich from control of the trans-Saharan gold and salt trade.