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In page Krav Maga:

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Imre "Imi" Lichtenfeld (also known as Imi S'de-Or) was born in 1910 in Budapest, Austro-Hungary to a Jewish family and grew up in Pozsony, today's Bratislava (Slovakia). Lichtenfeld became active in a wide range of sports, including gymnastics, wrestling, and boxing.[1] In 1928, Lichtenfeld won the Slovak Youth Wrestling Championship, and in 1929 the adult championship (light and middle weight divisions).[2] That same year, he also won the national boxing championship and an international gymnastics championship. During the ensuing decade, Lichtenfeld's athletic activities focused mainly on wrestling, both as a contestant and a trainer.[citation needed]