Judo federations have promoted another eleven who are not recognized (at that level of rank) by the Kodokan. On July 28, 2011, the promotion board of USA Judo awarded Keiko Fukuda the rank of 10th "dan", who was the first woman to be promoted to judo's highest level, albeit not a Kodokan-recognized rank. Although "dan" ranks tend to be consistent between national organizations there is more variation in the "kyū" grades, with some countries having more "kyū" grades. Although initially "kyū" grade belt colours were uniformly white, today a variety of colours are used. The first black belts to denote a
Judo in Canada 'forms of throwing') must be demonstrated during examinations beginning at "sankyū" (green belt). Finally, students are also expected to remain proficient in all techniques associated with their previous grades, and to develop an understanding of Judo's history and standard Japanese terms. The requirements for "dan" promotion are more demanding and cover age, time in current grade, points total, and how those points were earned. To test for black belt, a person must be at least 15 years old, have been an "ikkyū" (brown belt) for at least one year, been active in Judo for at least three years with a