Hoang Cao Khai
Encyclopedia
Viceroy
A viceroy is a royal official who runs a country, colony, or province in the name of and as representative of the monarch. The term derives from the Latin prefix vice-, meaning "in the place of" and the French word roi, meaning king. A viceroy's province or larger territory is called a viceroyalty...
of Tonkin
Tonkin
Tonkin , also spelled Tongkin, Tonquin or Tongking, is the northernmost part of Vietnam, south of China's Yunnan and Guangxi Provinces, east of northern Laos, and west of the Gulf of Tonkin. Locally, it is known as Bắc Kỳ, meaning "Northern Region"...
(locally known as Bắc Kỳ), the northernmost of the three parts of Vietnam
Vietnam
Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...
under French
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...
colonial rule. He is best known for his role in helping the French authorities to hunt down Phan Đình Phùng
Phan Dinh Phung
Phan Đình Phùng was a Vietnamese revolutionary who led rebel armies against French colonial forces in Vietnam. He was the most prominent of the Confucian court scholars involved in anti-French military campaigns in the 19th century and was cited after his death by 20th-century nationalists as a...
, the leading Vietnamese revolutionary of the time.