Ngưu Hống

Ngưu Hống
Ngưu Hống (Vietnamese)
Heishui Guo (Chinese)
1000?–1416 or 1432
Map of the Black River throughout northwest Vietnam
CapitalMường Mỗi
Common languagesBlack Tai, Vietnamese
Religion
Theravada Buddhism, Mahayana Buddhism, animism
GovernmentMonarchy
• 11th century–1067
Lạng Chượng
• 1292–1329
Lò Lẹt
• 1329–1341
Con Mường
• 1341–1392
Ta Cằm
• 1392–1418
Ta Ngần
• 1420–1441
Mứn Hằm
History 
• First tribute to Dai Viet
1067
1250s
• Annexed by Ming dynasty
1416
• Annexed by Dai Viet
1432
Preceded by
Succeeded by
Nanzhao
Muang Then
Jiaozhi Province
Dai Viet
Sip Song Chau Tai

Ngưu Hống (chữ Hán: 牛吼) or Heishui (Chinese: 黑水, lit.'Black river') were names for a medieval Black Tai polity located in northwest Vietnam, mainly around the Black River. Its territory comprises modern-day provinces of Điện Biên, Lai Châu, Sơn La as well as western parts of Lào Cai and Yên Bái.