The first Beatles single was "Love Me Do", backed with "P.S. I Love You", in October, 1962. Both songs were written by John Lennon and Paul McCartney, and the single reached #17 in the British charts - but only for a week, then it disappeared.
6. Sixth pressing, 45-R 4949, December 6, 1982. From “The Beatles Singles Collection” blue box set (BSCP-1). These pressings have original top-opening pictures sleeve.