In birth order (as seen in the photo, L-R); Ringo Starr was born on July 7, 1940, John Lennon on October 9, 1940, Paul McCartney on June 18, 1942, and George Harrison on February 25, 1943. All four were born in Liverpool, England.
Incidentally, former Beatle Stuart Sutcliffe was born on June 23, 1940, in Edinburgh, Scotland, and Pete Best on November 24, 1941, in Madras, British India.