Genuine curiosity because here in the UK we have probably over 100 Christmas songs from the 70s onward. It became somewhat a traditional obsession for musical artists to fight for a Christmas number 1. Just to clarify I don't mean child known traditional songs like Jingle Bells, Rudolf, Frosty, etc but songs like from Slade, East-17, Mariah Carrie, Wham, The Pogues, etc
List of examples:
https://www.youtube.com/watch?v=0A8KT365wlA
https://www.youtube.com/watch?v=j9jbdgZidu8
https://www.youtube.com/watch?v=E8gmARGvPlI
https://www.youtube.com/watch?v=0mg7ok8dmDU
https://www.youtube.com/watch?v=MqBF7TiyATo
https://www.youtube.com/watch?v=8kmPz5IbU90
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Oh and
https://www.youtube.com/watch?v=d8uEmcBNhFY