Prehistoric Era

Prehistoric Era of Viet Nam include: Pre-Paleolithic Age and Neolithic Age. 

♦ Pre-Paleolithic Age

Human civilization started in Viet Nam a very long time ago. In fact, archaeologists have found vestiges of Homo Erectus in the caves of Lang Son and Nghe An Provinces. During the Pre-Paleolithic Age, also known as the Son Vi Era (between 10,000 to 30,000 years ago), the population of Viet Nam was rather large and widespread.

♦ Neolithic Age
During this period, groups of people with different cultural attributes mixed together. The people used sophisticated trimmed stone axes, produced stone rings, and designed pottery goods. 

Source: https://vietnamtourism.com/