Dae Joyeong 698 Balhae Founding Timeline

Armored commander signaling to soldiers in a snowy mountain pass with tactical arrows

If you have encountered both 698 and 699 for Balhae's founding, 698 is the generally accepted year. The date rests on the Ruijū Kokushi record; 699 reflects an earlier interpretation. Dae Joyeong's victory at Tianmenling helped preserve the group that established the new state.

 

How escape made settlement possible

You can trace the founding through the group's departure from Yingzhou amid the Khitan uprising in 696. Dae Joyeong brought together Goguryeo refugees, displaced people from a fallen kingdom, and Mohe forces. Their defeat of Tang's pursuers at Tianmenling allowed the eastward movement to continue.

The victory was only part of the explanation. Regional changes also blocked Tang's land routes, limiting further pursuit and creating room for settlement. The blocked routes and limited pursuit help explain how the battle made a lasting political base possible.

Historical reconstruction of settlers raising timber posts and a palisade in a mountain village, with route arrows

 

Dae Joyeong through the historical records

In the original article on Injoys, you will find a timeline and comparisons explaining why the founding dates and accounts of his origins differ. Its distinction between historical records and later interpretations separates an accepted date from a disputed reconstruction.

Read the full article on Injoys

 

A checklist for keeping the dates separate

When comparing accounts, you can use these distinctions to avoid treating separate stages as one event:

  • 698: The generally accepted founding year, rather than the older estimate of 699.
  • Spring 698: The Korean History Database's placement of Tianmenling uses lunar dating. It supplies no exact solar calendar date.
  • 713: Tang granted Dae Joyeong the title King of Balhae Commandery. This investiture, a formal grant of title and status, established formal relations after the founding.

 

Where firm conclusions need caution

If you are researching ancestry or battlefield details, some questions remain open. The Old Book of Tang links Dae Joyeong's origins to Goguryeo; the New Book of Tang describes Sumo Mohe origins and affiliation with Goguryeo. These descriptions do not justify assigning a modern nationality from a single phrase.

Tianmenling's exact location remains disputed, and the examined evidence cannot establish troop numbers or confirm ambush tactics.

For a next step, compare the timeline with the source tables in the original article on Injoys, especially the evidence behind 698 and 699.

Read the full article on Injoys

This post was written with assistance and published on a channel run by Injoys (injoys.com). The original article and its sources are at the link above.

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