John Lennon

The Beatles hold a press conference in the Washington Senators' locker room at D.C. Stadium, August 15 1966. (Source: Bettmann/Getty Images)

The Beatles' Final D.C. Concert

Although their first appearance in Washington D.C. was certainly more historic, the Beatles' last visit was nothing if not eventful, and verged on the downright bizarre. In stark contrast to that triumphant first U.S. concert at Washington Coliseum in February 1964, by August 1966 the Beatles were mired in controversy, struggling to sell out concerts, and creating music too complex to be replicated on stage.