to Tày people, called the Nôm Tày script. Mạc regime and the Vũ Văn clan's "chúa Bầu" in Hà Giang province remained in a state of rivalry with the Lê-Trịnh regime until they were annexed and exiled to China in 1677. The Trịnh military lords of the Lê Dynasty, which was centered in Đông Kinh (Tonkin or Hanoi), soon doubted the loyalty of the Nguyễn governor in central and southern Vietnam. Over next 30 years of unification and the temporary peace, Vietnam one again would be divided by two military lords for another 150 years–fought against each other in the indecisive Trịnh–Nguyễn War. These long civil wars had devastated the Vietnamese nation, both its structure and economy, causing great dissatisfaction among the ordinary class and working class with the monarchs and the aristocrats, which ultimately culminated in the Tây Sơn rebellion in late 18th century. The Chu Đậu ceramic factory in Chu Đậu village, Hải Dương province, which famously exported Vietnamese blue-white ceramics to Japan and West Asia from 13th to 17th century, was destroyed. See also Southern and Northern Dynasties (Vietnam) Trịnh–Nguyễn War References Citations Revival Lê dynasty Mạc dynasty Wars involving Vietnam 16th century in Vietnam 17th century in Vietnam 16th-century conflicts 17th-century conflicts