Vovinam to demonstrate Vovinam publicly in Hanoi with his disciples in 1940, Nguyễn was invited to teach the art at Hanoi's Ecole Normale, and Vovinam gained in popularity. During the following years, political unrest increased throughout Vietnam; due to the system's nationalist political orientation, the art came under suppression. By 1954, Nguyễn had emigrated to South Vietnam, where he was able to continue to teach and establish Vovinam schools. After his death in 1960, Grandmaster Le Sang continued the development and international promotion of Vovinam until his own death on September 27, 2010. The first Vovinam school outside of Vietnam was
ARB (martial art) other fighting sports were carefully selected to participate in a game of ARB. Methodical work of fighters and commanders, has also impulsed to the origin of the martial art which is nowadays widely known under the name "Army Hand-to-Hand Combat". At that point in time (the beginning of 1970's) actual training of regular soldiers for hand-to-hand combat was named "as the Program of preparation of instructors in sports and special receptions of a landing". A distinctive part of ARB that sets it apart from other full contact single combat martial arts is the possibility of finishing with the opponent on