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 Canada of Parliament: Minister of Health and Welfare Judy LaMarsh at the Eastern Canada Championships in 1964, and former Prime Minister John Diefenbaker at the Senior Women and Junior National Championships in 1979. Judo in Canada The Japanese martial art Judo has been practised in Canada for nearly a century. The first Judo dojo in Canada, "Tai Iku Dojo" (体育道場), was established in Vancouver in 1924 by Shigetaka "Steve" Sasaki. Sasaki and his students opened several branch schools in British Columbia up until 1940, when all dojos were shut down by the government and their Japanese members forced into internment camps