According to Hindu scriptures, Kali Yuga, the last of the four stages that the world goes through as part of the cycle of yugas, began.

4th millennium BC

Millennium between 4000 BC and 3001 BC

The 4th millennium BC spanned the years 4000 BC to 3001 BC. Some of the major changes in human culture during this time included the beginning of the Bronze Age and the invention of writing, which played a major role in starting recorded history.

Hindu texts

Hindu texts or Hindu scriptures are manuscripts and voluminous historical literature which are related to any of the diverse traditions within Hinduism. Some of the major Hindu texts include the Vedas, the Upanishads, and the Itihasa. Scholars hesitate in defining the term…

Kali Yuga

Last of four yugas (ages) in Hindu cosmology

Kali Yuga, in Hinduism, is the fourth, shortest, and worst of the four yugas in a Yuga cycle, preceded by Dvapara Yuga and followed by the next cycle's Krita (Satya) Yuga. It is believed to be the present age, which is full of conflict and sin.

Yuga

Age or era in Hinduism

A yuga, in Hinduism, is generally used to indicate an age of time.