| 1928 - | Born November 21 in Tokyo, Japan |
| 1933 - | Started Kendo training |
| 1938 - | Started Judo training |
| 1943 - |
Earned Kendo shodan ranking. Started karate training at Master Gichin Funakoshi's dojo, the Shotokan. |
| 1945 - |
Enrolled at Takushoku University. Joined Takushoku University Karate Team |
| 1946 - | Earned Karate shodan ranking |
| 1948 - | Earned Karate nidan ranking |
| 1949 - |
Named Takushoku University Karate Team Captain. Elected Chairman of the regional collegiate union team. |
| 1950 - |
Earned Karate sandan ranking Co-founded the All Japan Collegiate Karate Union and elected as the first chairman. |
| 1951 - |
Graduated from Takushoku University, M.A. in Economics. Named Japan Karate Associateion Director. |
| 1952 - |
Selected as a member of the martial arts combat instruction staff for the Strategic Air Command (SAC) Combat Training Program. SAC personnel received training in judo, aikido and karate at the Kodokan. The other karate instructors were Masters Nakayama, Obata and others. |
| 1953 - |
Invited by SAC Commander General LeMay, along with other martial arts instructors, to tour SAC bases in the United States. Named Chief, Department of Instruction, Japan Karate Association. |
| 1960 - |
Publication of "Karate, The Art of Empty-Hand Fighting", the most authoritative and best selling karate textbook in history. |
| 1961 - |
Came to the United States and organized the All American Karate Federation (AAKF). The first AAKF Karate Championship was held at the Olympic Auditorium, Los Angeles CA. |
| 1965 - |
Organized the first United States vs Japan Goodwill Karate Tournament. Participation of All Japan Collegiate Karate Team marks it as the first official international event. |
| 1968 - |
Organized first World Invitational Tournament, held at the Los Angeles Memorial Sports Arena in conjunction with the Olympic Commemorative Tournament hosted by the Mexico Karate Federation in Mexico City. International conference during the tournament agrees to form an international karate organization and to hold the first world championship in Tokyo, Japan. |
| 1973 - |
Co-founded the Pan American Karate Union (PAKU) and was elected if first Executive Director. The first PAKU championship was held in Rio de Janeiro, Brazil. |
| 1974 - |
Following an international formation conference in New York City, Hidetaka Nishiyama was elected the Executive Director of the International Amateur Karate Federation (IAKF). The name of the IAKF was later changed to International Traditional Karate Federation (ITKF). |
| 1975 - |
The first IAKF World Karate Championship was held at the Los Angeles Memorial Sports Arena. |
| 1981 - |
Currently serving as President of the JKA International of the United States, President of the American Amateur Karate Federation (AAKF), the direct successor to the All American Karate Federation. |
