Hello how may I help you? Sort every Beatles by date of birth. Ok, Ringo, Paul, John and then Bob Great. What are they dob's? their 1/1/1934 3/3/1944 5/1/1946 and 2/1/1949 Awesome, you are good, bot. That is correct! That will be all. Thx. You are welcome! Have a great day. Take care!