Question

Since when did the trade through silk route begun? ​

Answer 1

Answer:

The Silk Road derives its name from the lucrative trade in silk carried out along its length, beginning in the Han dynasty in China (207 BCE–220 CE). ... In June 2014, UNESCO designated the Chang'an-Tianshan corridor of the Silk Road as a World Heritage Site.

Answer 2

Answer:

In first 1st century BCE