Rank in Judo are ranked in ascending numerical order. The ninth ("kudan") and tenth degree black belt ("jūdan") and, theoretically, those higher, have no formal requirements. Only 15 individuals have been promoted to the rank of Kōdōkan 10th dan. On January 6, 2006, three individuals were promoted to this rank simultaneously: Daigo Toshirō, Ichirō Abe, and Ōsawa Yoshimi. This is the most ever at the same time, and the first in 22 years. No one has ever been promoted to a rank higher than 10th "dan", but in theory the Judo rank system is not limited to 10 degrees of black belt. The
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