| Mar. 1965 |
A part of the Olympic Village site was decided to be used as the Olympics Memorial Youth Center. |
| Apr. 1965 |
The Olympics Memorial Youth Center was established as a semi-governmental corporation under the jurisdiction of the Ministry of Education, Science, Sports, and Culture. |
| Jan. 1966 |
The Center started to accept users. |
| May. 1980 | The Center became a government insititure of the Ministry of Education, Science, Sports, and Culture. |
| Dec. 1988 |
The Ministry of Education, Science, Sports and Culture established the "Basic plan for the overall improvement of NYC's facilities". |
| Jul. 1991 |
Based on the plan, the improvement work of all facilities started. |
| Apr. 1994 |
The NYC started the acceptance of users into accommodation facilities(Building A and B). |
| Feb. 1995 |
The NYC started the acceptance of users into accommodation facilities (Building C and D) as well as into International Exchange Building. |
| May. 1998 |
The NYC started acceptance of users into the Central Building. |
| Oct. 1998 |
The NYC started acceptance of users into the Athletic Building. |
| Apr. 2001 |
The Center became an independent administrative institution under the jurisdiction of the Ministry of Education, Culture , Sports, Science and Technology. |
| Sep. 2001 |
The NYC started the acceptance of users into the Arts Building. |