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
Northern Shaolin (martial art) The monks were primarily known for their spear and staff techniques until the Ming-Qing transition when they began to specialize in unarmed combat. As the reputation of the Shaolin martial arts grew during the following centuries, its name became synonymous with martial arts, regardless of whether an individual art traced its origins to the Shaolin Monastery in Henan or not. As a result, the "Shaolin" moniker was applied to other Buddhist temples with strong reputations for martial arts. The characteristics of the martial arts taught at each temple were so different from each other that they became identified with their