According to B. B. Lal, former DG of ASI, Kalibangan site shows that an earthquake occured around 2600 BC, which brought to an end the Early Indus settlement at the site. It is perhaps the earliest archaeologically recorded earthquake.
The historian V. A. Smith has called Samudragupta the ‘Napoleon’ of India because of his policy of war and conquest. He started with the conquest of his immediate neighbours and then by campaigns to the east and the south.
In the post-Mauryan period, the techniques of cloth-making, silk- weaving, and the manufacture of luxury articles developed. Mathura was a great center for the manufacture of a special type of cloth which was called shataka.
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