Lê Sáng develop Vovinam. In 1954, Le Sang accompanied Nguyễn Lộc to Saigon to open a Vovinam school. He opened additional Vovinam schools, and as of 2007, was still teaching the higher-ranked students. In 1960, Nguyễn Lộc passed the leadership of Vovinam to Le Sang. After the fall of Saigon he spent several periods in prison. Leadership passed to Trần Huy Phong (1938-1997). He was born in Hanoi, Vietnam and died in Saigon. Lê Sáng Lê Sáng (1920 – September 27, 2010) was the Chairman of the Vovinam Vietnamese Martial Arts World Federation, a position he held from 1960 until his death.
Martial arts question of "which is the best martial art" has led to inter style competitions fought with very few rules allowing a variety of fighting styles to enter with few limitations. This was the origin of the first Ultimate Fighting Championship tournament (later renamed UFC 1: The Beginning) in the U.S. inspired by the Brazilian Vale tudo tradition and along with other minimal rule competitions, most notably those from Japan such as Shooto and Pancrase, have evolved into the combat sport of Mixed Martial Arts (MMA). Some martial artists compete in non-sparring competitions such as breaking or choreographed routines of techniques