Happy Birthday to You!

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Across
  1. 3. and you
  2. 5. for herding cattle in 14-16th century Germany
  3. 8. sweat it out at the zurkhaneh
  4. 10. has the middle name Maurice
  5. 11. a murder in State colours
  6. 12. LX
  7. 13. founded in 79AD, on the River Dee
  8. 15. all in white
Down
  1. 1. sometimes you think you are there
  2. 2. first arising in the Paleolithic period and makes people happy every day
  3. 4. the anniversary of the day a person was born, an occasion for celebration and the giving of gifts
  4. 5. he who listens and hears
  5. 6. song of the year 1998
  6. 7. standard RAF slang for sowing mines in rivers, ports and oceans from low heights,
  7. 8. the fairy was one
  8. 9. the slowest mammal on Earth
  9. 14. from the Welsh meaning pure, clean, holy and good