northern India's sacred hymns
Indo-Aryan migrations, the great debate, and a thousand years without cities
~1500–1200 BCE
1,028 hymns transmitted without writing for three thousand years — the Rigveda
~1500–1000 BCE
iron axes clear the Gangetic forest, and the Brahmins build a ritual monopoly
~1000–800 BCE
how ritual purity became social hierarchy — the system outsiders most want to understand
Thematic
Brahman, Atman, karma, moksha — the Upanishadic revolution
~800–500 BCE
cities return to India after a thousand years — the Second Urbanization
~600–400 BCE
Siddhartha Gautama and Vardhamana Mahavira reject Vedic authority and change the world
~500–400 BCE
the Nandas, Alexander, Chandragupta, and a thousand years of Vedic legacy
~400–322 BCE