When did pop culture happen?

Pop culture began to emerge in the late 19th and early 20th centuries, particularly with the rise of mass media, including radio, film, and later television. The post-World War II era saw a significant expansion of pop culture, as consumerism and youth culture flourished in the 1950s and 1960s. Throughout the decades, pop culture has continually evolved, reflecting societal changes and technological advancements, making it a dynamic and ever-present aspect of contemporary life.