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) hands and feet from a standing position. The opponent may call "Stop", as some kicks on the head of the opponent may not be protected by a helmet, and can lead to heavy damages that interrupt the sport immediately. Blows of the opponent by a foot in a head is a knock-down to the fighter who has performed such a blow. ARB (martial art) ARB (; ; 'Army Hand-to-Hand Combat') is a Russian martial art of training for protection and attack receptions that incorporated many functional elements from an arsenal of individual hand-to-hand combat and martial arts styles from around