1844	YMCA first founded in London by George Williams.
1855	World Alliance of YMCAs created.
1880	First YMCA in Japan, Tokyo YMCA founded.
1882	Osaka YMCA founded.
1890	YMCA language education started with Tokyo YMCA's English night school.
1903	Alliance of Student YMCAs (est. 1987) and Alliance of City YMCAs (est. 1901) combined to form National Council of YMCAs of Japan.
1907	First international conference held in Asia, the 7th Conference of the World Student Christian Federation in Tokyo
1917	Japan's first gymnasium and indoor swimming pool build at Tokyo YMCA
1920	First organized educational camping in Japan led by Osaka YMCA at Mt. Rokko
1928	First Y's Men's Club was established in Osaka.
1947	"Postwar Reconstruction Three-Year Plans" established or restructured many student and city YMCAs. Start of high school YMCA movement.
1949	First international work camp in Japan.
1953	Japan YMCA Institute established. First camp for disabled children organized by Kobe YMCA.
1961	Japan-Korea YMCA student exchanges formally started.
1962	Arthur H. Steinhaus introduced fitness to Japan. Camping for children who dislike physical education developed. Physical education classrooms opened in each YMCA.
1980	Tokyo 100th Anniversary of the YMCA in Japan. Relations re-opened with China YMCA.
1991	Gulf War Relief and Rehabilitation Project started, as well as Vocational Training School with Jordan YMCA.
1995	Led by Kobe YMCA, urgent relief and reconstruction efforts taken after Great Hanshin-Awaji Earthquake hit.
2003	100th Anniversary of National Council of YMCAs of Japan.