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In
1922, due to his extensive knowledge, culture and technical level, he is
invited to participate in an exhibition on the Japanese mainland islands
in Tokyo. He is then asked to stay by many important people. He thus establishes
himself there and will never return to Okinawa.
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In
Tokyo, after a very tough start, he begins Karate's expansion. This was
strongly impulsed by the establishment of University Karate Clubs, a characteristic
it holds until this very day.
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In
1935, Shotokai is informally organized (Shoto's Association, Shoto being
O-sensei's pseudonym) to collect funds to build a Hombu Dojo (headquarter
training hall) for the Master.
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In
1936 he establishes formally the name "Karate-do" as the name of his art.
After this, the same year, all the Okinawan masters get together and accept
this new designation.