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 law in Taiwan in April 1948. In December 1948, in the face of the mounting nationalists' defeats, Chiang Kai-shek announced the imposition of martial law throughout the country. However, remote areas such as Xinjiang, Tibet, Qinghai, as well as Taiwan Province are not within the scope of the influence. On 20 May 1949, Taiwan Province was officially included under the influence of the martial law. After the surrender of Japan in 1945, the ROC obtained control of Taiwan. In December 1949, the ROC government, led by President Chiang Kai-shek, retreated from Nanjing to Taipei, Taiwan's largest city. The ROC continued to claim sovereignty