The rafting head on the Black River, where timber, cinnamon, wax, honey, ivory and lacquer are tied into rafts and floated down to the Red.
This is what the uplands sell, and the reason the court cares who holds the valley (board). The campaign board's coordinate was kept. The Da Giang circuit (a Ly name for the lower Black River) ends at the rapids above here: above them the writ stops and the Mường begin (board).
Who holds it
- Title
- Ly officer or local chief
- Confidence
- low
The campaign board entry notes only
Lord in 1200
Mường lords of the Black River; the Ly Da Giang officers below the rapids.
Trade and crafts
Rafting of timber, bark, wax, honey, ivory and lacquer to the Red River.
Places of note
- Cho Bo: The place
Where the sources disagree
Evidence: The campaign board entry note and a modern coordinate; nothing in our sources dates the place to 1200.
"The campaign board" is OMNIA's working map. These notes record where its earlier claims were checked against the sources.
Primary sources for Tai and Muong of the north-west
Chronicles, registers, sagas and inscriptions written in or near 1200 that cover this entry. Each has its own page with editions, translations and where to read it.
- The Complete Annals of Dai Viet, Ngo Si Lien, drawing on Le Van Huu's Dai Viet su ky (1272) and Phan Phu Tien; continued by Pham Cong Tru and Le Hi (1479; printed 1697 in the standard Chinh Hoa edition). The main narrative source for Dai Viet in 1200, compiled in 1479 from Le Van Huu's lost history of 1272. Read online
- The Unofficial History of Nanzhao, Yang Shen; revised by Hu Wei (16th century, revised 1775, from Dali and Yunnan traditions and lost local histories). The kingdom of Dali has no surviving text of 1200: its own records were destroyed in the Mongol conquest and after, and the Song shi's Dali entry ends in 1175. Read online
Sources and studies
- OMNIA board notes for the Vietnam and Champa area (a lead, not a source)
Last revised 4 November 2026. Published 4 November 2026. Suggest a correction on the OMNIA Discord.