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 the United Kingdom belt) at the Budokwai. Judo in the United Kingdom The Japanese martial art Judo was first introduced in the United Kingdom in 1899, when entrepreneur Edward William Barton-Wright sponsored a visit from a team of Japanese judoka with the intention of establishing a jujutsu school in England. The introduction was not immediately successful, but some members of the team, including Yukio Tani, remained in England and gradually cultivated public interest in Judo and other types of jujutsu through demonstrations, instruction, and prize fighting. The United Kingdom's first Judo dojo, the Budokwai, is the oldest in Europe and was founded by