In 20000 BC, before the first history was recorded in writings, there had been already among people the legends and mythology about the origin of mankind and stories about the beginning of formation of Viet nation from HUNG VUONG. These are stories on HONG BANG dynasty, on offspring of dragon and fairy, bag of hundred eggs, eighteen kings of Hung Vuong dynasty, Son Tinh - Thuy Tinh's conflict, Thanh Giong's victory over An foreign aggressors, folk of betel and areca nuts, "banh chung banh day", watermelon ..... All these legends together can be regarded as a folk history comprising mythology characteristic as well as core of history in memory and tradition through many ages of people. Most of history of a nation of the world, with or without writing, is penetrated with treasure of folk and legends.
In era of TRAN (1226-1400) and LE (1428-1527), these historic legends were firstly collected and compiled by the contemporary authors' view.
The two symbolic works of this aspect were Viet Dien U Linh by Ly Te Xuyen with a foreword in 1329, and Linh Nam Trich Quai by Tran The Phap in around end of Tran, then edited by Vu Quynh and Kieu Phu in Le era with prologue in 1492-1493.
The Vietnamese have attempted to give their country a history as hoary as China's. According to one of the numerous legends concerning the origin of their state, a Vietnamese prince named LAC LONG QUAN came to Northern Viet Nam from his home in the sea. He married a princess from the mountain, AUCO, who is also described as the wife of a Northern Intruder (Chinese?), on the top of Mount Tan Vien, sometimes around 2800 BC Instead of the commonplace results of a union, the princess laid 100...