Judo in the United States however, the lecture had little effect on mainstream judo growth. The first American to actually study judo was Prof. Ladd from Yale University, in 1889. He trained at the Kodokan in Japan for about ten years; by 1908 about 13 Americans were training there. In 1919, Prof. John Dewey of Columbia University came to visit Prof. Ladd and Master Kano, many years later he took his knowledge back to Columbia and began the first U.S. college judo program. While some students were training in Japan there was some action in the U.S. Perhaps one of the most important figures in
World Judo Championships except Oceania and Antarctica. The World Judo Championships team competition began in 1994. women's competition began in 1997, and after 1998 it was held once every four years until 2006. The competition will be held every year from 2007. Judoka who participate in the individual world championships often do not participate in the team competition. World Judo Championships The World Judo Championships are the highest level of international judo competition, along with the Olympic judo competition. The championships are held once every year (except the years when the Olympics take place) by the International Judo Federation, and qualified judoka compete