What was the Beatles last number 1?

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Tags

1. #states
2. #single
3. #winding
4. #quartet
5. #written
6. #lennon
7. #album
8. #originally
9. #number
10. #appeared
11. #united
12. #ballad
13. #credited
14. #beatles
15. #mccartney
16. #released
17. #became