Godzila came to Huang He and destroyed the whole civilization!
when it stopped flourishing
The rivers dried up and people had to move.
1938
the event which happened was the industrial revolution.
The Harrpan civilization collapsed about 1500 B.C. Historians think that several earthquakes and floods damaged the cities. Then the Indus River changed its course, killing many people and forcing others to flee the area.
3300 bc - 1300 bc
It starts at the Tibetan Plateau
when it stopped flourishing
Snake River Valley Railroad ended in 1910.
Fox River Valley Railroad ended in 1993.
The rivers dried up and people had to move.
1938
The Indus Valley Civilization declined around 1900 BCE due to a combination of factors such as environmental changes, natural disasters, and possibly invasions or conflicts. The drying up of the Saraswati River and changes in trade routes may have also contributed to the civilization's downfall.
the above is answer is not at all correct. its true that aryans came in 1500bc and they were very destructive in nature not like indus valley civilization who were always had constructive minds. the indus valley civilization existed from 2500bc to 1750 bc. that means before aryans came the indus valley civilization was already finished 250 years ago. there are some historians that say that the indus river was flooded and due to that the indus valley civilization came to an end but in reality it was not possible that a flood destroys the whole civilization which was extended from uttar pradesh in the west to jammu and kashmir in north and to maharashtra in west. the actual reason which is more relaible answer than any other is that the indus valley civilization got extinct due to ecological factors. environmental and climatic factors like drying up of rivers,deforestation,soil sanity etc led to the decline of the greatest civilization.
The Sumerians overtook the settlers in the Tigris/Euphrates river valley in 3500 B.C.E. and they were taken over by the Assyrians in 900 B.C.E
He thought this would divide the colonies and end the war
the event which happened was the industrial revolution.