Mas Oyama

Masutatsu Ōyama , more commonly known as Mas Oyama, was a South Korean karate master who founded Kyokushin Karate, considered the first and most influential style of full contact karate. Oyama was an ethnic Korean; he was born Choi Yeong-eui and spent most of his life in Japan. He acquired Japanese citizenship in 1968.

4 June 1923

Born on the same birth date (4 June 1923): Elizabeth Jolley

Born on the same birth day (4 June): Aaron Nola • Andrea Jaeger • Bradley Walsh • Carl Gustaf Emil Mannerheim • Daphne Sheldrick • Dave Pybus • Derian Hatcher • Horatio Sanz • Jonathan Huberdeau • Mabel Lucie Attwell • Mollie King • Nils Kihlberg • Svetlana Jitomirskaya

Born in the same month (June 1923): Dorothy Gilman • Elizabeth Jolley • Elroy Hirsch • Gerald Götting • Igor Shafarevich • Jules Deschênes • Pete Candoli • Peter Corr • Peter Gay