1980 started study on gPortage Guide to Early Education(PGEE)h developed in1976 by Portage Project in Portage, Wisconsin USA.
1983 published first Japanese edition of PGEE, the gPortage Early Education Programh.
1985 Japan Portage Association(JPA) was established to promote the Program not only in Japan but throughout the Asian countries: gPortage Program Workshoph@had been held in Japan and Asian Conference on Mental Retardation held in Asian Countries and International Portage Conference.
2000 obtained the approval of the authority as Non Proficient Organization
2005 published newly revised Japanese edition of PGEE, thegNew Edition of Portage Early Education Programh
2015 celebrated 30th anniversary of JPA on 28th , June 2015