April 1,1934	"Dai Nippon Karate Shinko Club",an original body of Wado-Kai,was founded by Hironori Otsuka(Suehiro-cho,Kanda-ward,Tokyo)
February 25,1938	"Dai Nippon Karatedo shinbukai"established.
May 5,1940	Participated in "Celebration for 2600B.C. and 44th Butoku Festival" under the name "Wado-Ryu Karate Jutsu". Name "Wado-Ryu" established.
1947	Established Tsukiji headquarter dojo (Sanko Dojo). Around 1995,Wado-Ryu was renamed "Zen Nippon Karatedo Renmei".
1952	Instituted "Wado-Ryu Rules" . Wado-Ryu headquarters established in the Meiji University karate club. Dojo established in Osaki Police Station Budojo
May 19,1954	"Demonstration (embu-kai) in commemoration of 20th anniversary of Wado-Ryu and to celebrate the foundation of "Zen Nippon Karatedo Renmei" at Hibiya Public Hall.
May 5,1955	First Nation Championship at Shibuya Public Hall.
May 1,1964	"All Nippon Karatedo Federation" was founded. (President,Shinsen Ohama). Joined it as a major group.
June 5,1967	Changed name to "Wada-Kai".
July 11,1976	12th Wado-Kai National Championships at Nippon Budokan, held every year thereafter.
January29,1982	Hironori Otsuka passed away.
August 25/26,1989	The First World Wado Cup in London.
August 8,1990	President Hideo Bo passed away.
April 14,1991	Ryutaro Hashimoto appointed President.
1996	Eiichi Eriguchi appointed Acting President due to resignation of Ryutaro Hashimoto.