The Beatles performed in Washington D.C. on September 13, 1964, during the height of Beatlemania, following the release of their landmark album "A Hard Day's Night," which came out in July of that year. This period marked a significant point in their career as they transitioned from live performances to focusing on studio innovations, ultimately evolving their sound in the late 1960s. The D.C. concert was part of their first US tour, which was a pivotal moment in solidifying their popularity in America. Notably, this event occurred shortly after their historic appearance on "The Ed Sullivan Show," which had garnered unprecedented viewership. The energy of the Washington D.C. concert exemplified the overwhelming excitement surrounding the band at the time, as well as their influence on pop culture. The footage available showcases the band's charisma and the fervent response from fans, encapsulating an era of unmatched musical impact.