By Categories: Editorials, History
Background :-

History is such a tender subject and it is usually raised upon a fragile plinth.Think of History as a House of Cards and think of the dates/chronology in history as the very foundation of the House of cards.Dating the history is a pure matter of science whether it is radioactive decay dating or any other formats .We know that science is and always  has been a work in progress.So as the new methods and new techniques come to fore , the history that was written by so many authors  after so much of painstaking research goes for a toss.Thus history as a subject is as fragile as the dates of the history are.Here is an incident where the history could go for rewrite.

‘Harappa: older than we thought’

Climate change was probably not the sole cause for the collapse of the Harappan civilisation in the Indus-Ghaggar-Hakra river valleys, say Indian scientists in a breakthrough study, highlighting that the the Harappans “did not give up” despite the decline in the monsoon.

The recent research by a team of researchers from IIT Kharagpur, Institute of Archaeology, Deccan College Pune, Physical Research Laboratory and Archaeological survey of India (ASI) also shows that the civilisation itself was much older than thought — it is at least 8,000 years old.

The study suggests that the climate was probably not the sole cause of Harappan decline. Despite the monsoon decline, the civilisation did not disappear. The people changed their farming practices.

They switched from water-intensive crops when monsoon was stronger to drought-resistant crops when it was weaker. The work shows that they did not give up despite the change in climate conditions.

The study also suggests that other causes, like change in subsistence strategy, by shifting crop patterns rather than climate change was responsible for the Harappan collapse.

On the Indian subcontinent, the major centres of this civilisation include Harappa and Mohenjo-Daro in Pakistan and Lothal, Dholavira and Kalibangan in India.

The people shifted their crop patterns from the large-grained cereals like wheat and barley during the early part of intensified monsoon to drought-resistant species of small millets and rice in the later part of declining monsoon, and thereby changed their subsistence strategy.

The findings come from a major excavated site of Bhirrana in Haryana that shows preservation of all cultural levels of this ancient civilisation from the pre-Harappan Hakra phase through the Early Mature Harappan to the Mature Harappan time.

Bhirrana was part of a high concentration of settlements along the now dried up mythical Vedic river ‘Saraswati’, an extension of Ghaggar river in the Thar desert.

To find out how old the civilisation is, the researchers dated pottery of the Early Mature Harappan time — by a technique called optically stimulated luminescence (OSL) — and found it to be nearly 6,000 years old, the oldest known pottery so far. The levels of pre-Harappan Hakra phase have been dated as old as 8,000 years.

It is very interesting to investigate how these ancient people coped with the then climate change and can be a lesson for today’s impending disaster of climate change.

The findings have been published in the journal Nature Scientific Report on May 25.


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