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
Sambo (martial art) of sambo. In 1938, it was recognized as an official sport by the USSR All-Union Sports Committee. There are multiple competitive sport variations of sambo (though sambo techniques and principles can be applied to many other combat sports). Below are the main formats that are recognized by FIAS. Combat Sambo is designed to tackle certain tasks. The effectiveness of this martial art determined by its structure, namely by three components: Combat Sambo: BOXING + SAMBO + ADAPTERS Adapters of combat sambo were developed by the academician G.S. Popov. The task of adapters is to ensure the safe transition from middle