Source:
http://www.karatebyjesse.com/legends-of-karate-mabuni-kenwa-and-his-shito-ryu-pt-1/
In January 1927 (Shôwa 2) Dr. Kanô Jigorô (1860-1938), the founder of Jûdô, and his student Nagaoka Hidekazu (1876-1952) visited the ‘Karate Kenkyû Kurabu’. At this opportunity, Mabuni Kenwa and his friend Miyagi Chôjun performed various Kata of Karate. Kanô was quite impressed by this performance and encouraged them to spread their art on the Japanese mainland. Kanô characterized Karate as an “universal martial art, suitable for attack and defense” and had the opinion that “such an ideal Budô … [needed] to be spread all over the country”. Kanô said to Mabuni: “According to your ability, you should be awarded fourth Dan in Jûdô right on the spot!”
http://www.karatebyjesse.com/legends-of-karate-mabuni-kenwa-and-his-shito-ryu-pt-1/
In January 1927 (Shôwa 2) Dr. Kanô Jigorô (1860-1938), the founder of Jûdô, and his student Nagaoka Hidekazu (1876-1952) visited the ‘Karate Kenkyû Kurabu’. At this opportunity, Mabuni Kenwa and his friend Miyagi Chôjun performed various Kata of Karate. Kanô was quite impressed by this performance and encouraged them to spread their art on the Japanese mainland. Kanô characterized Karate as an “universal martial art, suitable for attack and defense” and had the opinion that “such an ideal Budô … [needed] to be spread all over the country”. Kanô said to Mabuni: “According to your ability, you should be awarded fourth Dan in Jûdô right on the spot!”