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Timeline of the Harappan Civilization is Pushed Back 2,500 Years as Researchers Find New Reason for Its Fall

Timeline of the Harappan Civilization is Pushed Back 2,500 Years as Researchers Find New Reason for Its Fall

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A recent discovery suggests that the Indus Valley Civilization is at least 8,000 years old, not 5,500 as previously believed. Moreover, the researchers show that its power dwindled because of weaker monsoons.

According to The Times of India , the Indus Valley Civilization (also known as the Harappan Civilization) existed at least 8,000 years ago, making it one of the oldest known civilizations in the world – along with the Egyptian (7000BC to 3000BC) and Mesopotamian (6500BC to 3100BC) civilizations. The results of the study by scientists from IIT-Kharagpur and the Archaeological Survey of India (ASI) were published in the journal Nature on May 25.

So-called "Priest King" statue, Mohenjo-Daro, late Mature Harappan period, National Museum, Karachi, Pakistan.

So-called "Priest King" statue, Mohenjo-Daro, late Mature Harappan period, National Museum, Karachi, Pakistan. ( Mamoon Mengal/CC  BY SA 1.0 )

The discovery may mean that history books will have to be rewritten because earlier it was believed that the Indus Valley civilization was only 5,500 years old. The leader of the project, Anindya Sarkar, also believes that their research provides evidence that the civilization did not fall due to climate change but was influenced by it. The team discovered the oldest pottery from the civilization, which was made during the period called Early Mature Harappan (c. 6,000 years ago) and the pre-Harappan Hakra phase - as far back as 8,000 years.

The researchers set out to explore Lothal, Dholavira, and Kalibangan in India. They also dug in a mostly unexplored site, Bhirrana. They wanted to prove that the Indus Valley civilization spread to other Indian sites like Bhirrana and Rakhigarrhi in Haryana, apart from the known locations of Harappa and Mohenjo Daro in Pakistan. However, they discovered something much more impressive.

Panoramic view of the excavation of mature Harappan stage at Bhirrana view from North-east.

Panoramic view of the excavation of mature Harappan stage at Bhirrana view from North-east. ( Archeological Survey of India )

The team unearthed large quantities of animal remains; including horn cores and the teeth and bones of cow, goat, antelope, and deer. These remains were put through Carbon 14 testing. Arati Deshpande Mukherjee of Deccan College, who helped analyze the finds along with researchers at the Physical Research Laboratory in Ahmedabad, explained:

"We analysed the oxygen isotope composition in the bone and tooth phosphates of these remains to unravel the climate pattern. The oxygen isotope in mammal bones and teeth preserve the signature of ancient meteoric water and in turn the intensity of monsoon rainfall. Our study shows that the pre-Harappan humans started inhabiting this area along the Ghaggar-Hakra rivers in a climate that was favourable for human settlement and agriculture. The monsoon was much stronger between 9000 years and 7000 years from now and probably fed these rivers making them mightier with vast floodplains.''

The team believes that the civilization spread over a vast expanse of India, but the only evidence for this came from British excavations. The most recent research by the Indian team also suggests that climate change was probably not the sole cause for the collapse of the civilization. The people of the Harappan Civilization did not seem to give up despite the weakening monsoon. They did not disappear, but they changed their farming practices by switching from water-intensive crops to drought-resistant crops. This was the beginning of a new era in the civilization’s existence.

Diorama reconstruction of everyday life in Indus Valley Civilization, New Delhi.

Diorama reconstruction of everyday life in Indus Valley Civilization, New Delhi. ( Biswarup Ganguly/CC BY 3.0 )

The researchers believe that this change in their subsistence strategy - shifting crop patterns from the large-grained cereals like wheat and barley during the early part of the intensified monsoon to drought-resistant species of small millets and rice in the later part of declining monsoon - played a large role in the civilization’s fall as well. Moreover, the researchers discovered that from 7,000 years ago onwards, the monsoons became progressively weaker.

Map of Northwest India and Pakistan showing the locations of main Harappan settlements including phosphate sampling site of Bhirrana, Haryana, IWIN precipitation sampling station at Hisar and two paleo-lakes Riwasa and Kotla Dahar studied earlier. Black arrow indicates the direction of monsoon moisture transport from Bay of Bengal.

Map of Northwest India and Pakistan showing the locations of main Harappan settlements including phosphate sampling site of Bhirrana, Haryana, IWIN precipitation sampling station at Hisar and two paleo-lakes Riwasa and Kotla Dahar studied earlier. Black arrow indicates the direction of monsoon moisture transport from Bay of Bengal. ( Sarkar et al )

Some of the first accounts of the Indus Valley Civilization were recorded in the 1800s by the British. In 1826, the British army deserter James Lewis noticed the presence of ruins in a small town in Punjab called Harappa. It was because of this discovery that the civilization was called ‘Harappan.’

Harappan settlements were urbanized and well-organized. They had regular trade with Mesopotamia and the Middle East. Their material and craft culture was well-developed too. However, during the later phase of the Harappan existence their population dropped and they abandoned many settlements. For decades, researchers have tried to find the reasons behind this change. The first excavations in search of this answer took place in the 1920s and were led by John Marshall, but major works only started in 1986, when George Dales of the University of California at Berkeley established the Harappan Archaeological Project. This new study helps to put researchers one step closer to understanding the Harrapan civilization’s story.

A large well and bathing platforms are remains of Harappa's final phase of occupation from 2200 to 1900 BC.

A large well and bathing platforms are remains of Harappa's final phase of occupation from 2200 to 1900 BC. ( Obed Suhail/CC BY SA 3.0 )

Top Image: Computer-aided reconstruction of coastal Harappan settlement at Sokhta Koh near Pasni, Pakistan. Source: CC BY SA 3.0

By Natalia Klimczak

Comments

"According to The Times of India , the Indus Valley Civilization (also known as the Harappan Civilization) existed at least 8,000 years ago, making it one of the oldest known civilizations in the world – along with the Egyptian (7000BC to 3000BC) and Mesopotamian (6500BC to 3100BC) civilizations. The results of the study by scientists from IIT-Kharagpur and the Archaeological Survey of India (ASI) were published in the journal Nature on May 25."

The website contradicts itself. This means that Indus valley civilization was not older than the Egyptian. Because if the cultures in the Indus valley existed 8000 years ago then it means Indus valley cultures are from 6000 BC, and Egypt 7000 BC and Mesopotamian 6500 BC.

1). I believe that it's more important what kind of sites are found. In eastern Mediterranean there are many sites dated to 7000BC, as old as Mergharh/Birrhana (the only 2 village sites in India from this date). While many regions like Greece and Greek island of Cyprus have many archaeological town sites such as Sesklo 7000 BC, Knossos 7000 BC, Klimonas 9100 BC, Shillourokambos 8500 BC, Kirokitia 7000BC, and so on. And the same goes for Turkey, Iran, Iraq, Syria and so on, with high level of advancements dated to before anything in India.
Also what I find hard to wrap my head around and "compare" is that the Indus Valley civilization basically means that the Indus valley area consisted out of all kinds of cultures living in this area, it all feels like comparing oranges with apples. In later more recorded history India also consisted of many kingdoms, warring against each other and/or consisting of many different groups with each different languages. I'm therefore critical about what "Indus valley civilization(cultures)" then actually means and how it can be grouped.

Did Anatolia with it's incredibly vast history, Syria, Iraq, Iran etc, each consist out of one culture?
How can one compare history of India dated to it's oldest extend to 7000 BC(Mergharh)- 7500BC (Birrhana), to the much more history rich areas of the eastern Mediterranean, with much older and far higher abundance of archaeological sites dated up to 10.000 BC+.

2). How much would it matter how many civilizations there have been in territories that are now called nations. The historic rich areas of China, Greece, India, Minor Asia, each structured in slightly different ways, but all had their Neolithic, and pottery levels to 6000-7000 BC or earlier, had more sophisticated buildings than the rest of the world in these periods and so on.

How can one compare/differentiate for instance the accidental "incredibly advanced civilization" in Greece 8000 years ago with massive strucures and multi storied buildings http://www.ancient-origins.net/news-history-archaeology/accidental-disco...
With earliest writings far before Mesopotamia, Indus Valley, Egypt, Minoan(Greece)
https://archaeologynewsnetwork.blogspot.nl/2012/07/prehistorc-tablet-cal...
of which they have found 60+ archaeological sites of, most of which in the last couple of years, to the Indus valley cultures of which one earliest source goes back to 8000 years ago,

3). Then another question arises. Can you say "we are the oldest civilization" when Egyptian civilization is part of your nations history but not your present culture, when Indus civilization is part of your nations history but not your present culture, when Mesopotamian civilization is part of your nations history but not your culture, and so on?
With all due respect. In all areas around the world there is no place where there was a continuous civilization to this day. India has seen many periods, rulers, kingdoms, occupiers, internal wars come and go, and the fact the Bronze age Harappan period 2500BC is more advanced than most of India today, to name just one example of 2 completely different civilizations in the same area in different time periods. And India has some 800 different groups of peoples and languages that cannot understand each other. Ironically English is the language that connects these people. But different groups like Present-day India, must have also existed in the period of the Indus Valley civilization. When Alexander Entered India 2300 years ago, it's historians mentioned that there where many different groups of people, and quite some of these groups could not read nor write, and some could. That would mean that in this period already there was a huge difference in levels of civilization in the Indian Subcontinent. And ofcourse not to forget that the first writing in the Indian subcontinent (apart from the Indus valley script which is still undeciphered and not even certain it is a language) is the Brahmi script, which is dated to 300 BC, which is also an example that there is no one continuous living civilization that would cover and span all the breadth of the oldest archaeological site up to present day, but instead, many through different time periods and even many at the same time. This goes for every part of the world.

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