Võ phục not necessarily adopted by all practitioners, as evidenced throughout 1973-1990 when many practitioners under a separate development of Vovinam, the "Viet Vo Dao Federation," wore black uniforms. By 1990, however, after further meetings between councils, indigo had been adopted by the majority of Vovinam practitioners in and outside of Vietnam. Deep blue/indigo (Vietnamese: Lam) is now the internationally accepted color of Vo Phuc for Vietnamese martial arts. The "võ phục" of Vovinam are very similar, if not nearly identical, to the "keikogi" of Japanese martial arts. Both top and bottom of the uniform are constructed in much the same way
Chinese martial arts Chinese martial arts became available from the Nanjing decade (1928–1937), as the Central Guoshu Institute established by the Kuomintang regime made an effort to compile an encyclopedic survey of martial arts schools. Since the 1950s, the People's Republic of China has organized Chinese martial arts as an exhibition and full-contact sport under the heading of "“wushu”". According to legend, Chinese martial arts originated during the semi-mythical Xia Dynasty (夏朝) more than 4,000 years ago. It is said the Yellow Emperor (Huangdi) (legendary date of ascension 2698 BCE) introduced the earliest fighting systems to China. The Yellow Emperor is described as