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
2019 Southeast Asian Games contested in the Games; all sports were proposed by the NOC of the host nation except the disciplines of floorball, vovinam, and indoor hockey which were lobbied for by the other NOCs. Arnis, a Filipino martial art, was last featured as a demonstration sport in the 2005 edition. Arnis will be a regular sport in the 2019 games, and its national sport association lobbied for 20 events for the discipline (16 in combat; 4 in "anyo" ()) The Philippines is also considering to introduce 3x3 basketball for the first time in the history of the games. Upon the approval of