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British Rockers, July 1964 By the early 1960s, the postwar baby boom had brought remarkable changes to the lives of teenagers and young adults. New styles and behaviors, often based on American models, embraced youthful rebelliousness and challenged adult conventions. The British Rockers, a youth subculture centered on motorcycle clubs, epitomized the trend.
(Terence Spencer/The LIFE Picture Collection/Getty Images)