Rank in Judo English language edition (1955) of "Illustrated Kodokan Judo", edited by the Kōdōkan, says: This statement was later clarified, however. Essentially, the dan-rank system was capped at 10 after the death of Kanō. In that respect, in the November 1963 issue of "Jūdō", the Kōdōkan's official magazine, the Kōdōkan responding to the question "Do the 11th and 12th Dan really exist?" clarifies that the hierarchy now stops at 10 and that the Kōdōkan does not envisage any nominations to these grades. There have only been fifteen 10th dan promotions awarded by the Kōdōkan in the history of Judo. Although "dan" ranks
Judo in Canada judo are that judoka with visual impairments take hold of their opponent before the start of the match, and the mat has different textures to indicate zones and the competition area. Judo for the visually impaired has a long history in Canada and, according to a newspaper article published in 1952, Ottawa was the home of the only judo club for the blind in the world at the time. In most circumstances, however, visually impaired and sighted judoka belong to the same clubs and practice together. Canada was first represented in international competition by brothers Pier Morten and Eddie Morten