Dan (rank) highest level that might be attained, with instructor certification and judge/judgment authorization being understood as higher-level or more sophisticated. Many arts use between one and ten dan ranks: In some martial arts, black belts are worn for all "dan" grades. In others, the highest grade (10th "dan") wears a red colored belt. In Jūdo and Shotokan 6th to 8th "dan" may wear a red and white-patterned belt and 9th to 10th "dan" may wear a solid red belt. There is some variation even within styles. Generally, belts do not have markings that indicate the actual "dan" grade. Okinawan styles used
Judo in Romania professionals worked to create an independent Romanian Judo Federation. The first solidifying step was the creation of the Bucharest Commission for Judo within the framework of urban physical education and sports committee in 1962. In 1963, the first international individual competition took place between French Team FSGT and the Romanian national team in Bucharest. The first Team competition took place in Medias in 1967 at the local football stadium. On 21 May 1968 the Romanian Judo Federation was established named FRJ. The first coach training session was held by Takesse Matusaka and Sheizi Shinomaki. In the spring of 1969 the