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
Indonesian martial arts separate them from the crowd. The cakelele is a male war-dance practised by the aboriginals of North and Central Maluku. Hybrid forms also exist in Sulawesi, Timor, and the Tanimbar Islands. Mentioned in native legends, it originated as a way for the warriors to celebrate after a successful raid. From the age of sixteen, village boys would study and work for 3–5 years with the "kakehan", the men's secret society. The art of combat formed part of their education, as was the cakalele. While not an actual martial art, the dance has preserved some techniques and the full range of