Muhammad Ali was convicted for refusing induction in the U.S. armed forces.
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Boxer Muhammad Ali Convicted For Refusing Draft On This Day In 1967
Muhammad Ali Muhammad Ali Refuses the Vietnam War Draft
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Muhammad Ali, Legend And Lightning Rod, Dies At 74 POLITICO
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1968: Vietnam War stance was Ali's fight of a lifetime
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Muhammad Ali, Legend And Lightning Rod, Dies At 74 POLITICO
Muhammad Ali defied the draft -- and polarized the nation -- 49