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Roger Bannister became the first person to run a mile in under 4 minutes on May 6, 1954, an achievement that had long been considered impossible. For years it was believed that no one could run a mile in under 4 minutes, but within just 2 years of Bannister's record-setting run over 300 other runners had also achieved running a mile in under 4 minutes. Bannister's accomplishment helped shatter long-held beliefs about human limitations and possibilities.Read less