- 1882: Establishment of the Kōdōkan by Kanō Jigorō.
- 1895: Establishment of the Dai Nippon Butokukai. Titles Hanshi, Kyōshi, Renshi. Seirinsho certificates.
- 1919: The Dai Nippon Butokukai renames bujutsu to budō.
- 1920: Kōdōkan Judō announces the dan kyū regulation.
- 1933/12/8: Dai Nippon Butokukai establishes an Okinawa Prefecture Branch. Karate is achknowledged as a Japanese martial art on December 8.
- 1934: Registration of “Gōjū-ryū Karate” with the Dai Nippon Butokukai.
- 1937/5/5: Miyagi Chōjun awarded the title of kyōshi by the Dai Nippon Butokukai.
- 1939: Funakoshi Gichin, Mabuni Kenwa, Shinzato Jin‘an awarded the title of renshi by the Dai Nippon Butokukai.
- 1940: Higa Seikō and Nagamine Shōshin awarded the title of renshi by the Dai Nippon Butokukai.
- 1946 After World War II, the Dai Nippon Butokukai is dissolved.
- May 1956: Establishment of the Okinawa Karate-dō Renmei.
- December 30, 1960: The Okinawa Karate-dō Renmei implements a dan and kyu ranking system for the first time in the Okinawa karate world (3rd dan: 25 persons, 2nd dan: 23 persons, 1st dan: 40 persons).
See here for the Okinawa Regional Headquarters of the Zen Nihon Karate-dō Renmei (JKF).
See here for the Okinawa Kobudō Kyōkai, established 1961.
See here for grading regulations in Matayoshi Kobudo.
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