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 Brazil in Rio de Janeiro. This event marked the first time Brazil hosted a mixed-gender World Judo Championship. Brazil ranked second overall in medals behind Japan at the 2007 Championships, earning three gold medals along with a bronze. In 2013, Brazil once again hosted the World Judo Championships, this time placing fourth overall behind Cuba, despite surpassing Cuba in total number of medals. In this event, Rafaela Silva made history by being first Brazilian Judoka to claim gold in a women’s division. Judo in Brazil The practice of the Japanese martial art of Judo in Brazil dates back to 1914, and