@KatherineJaneway
Shops shouldn’t be open on Boxing Day imo.
They very rarely were when I was small - petrol stations and newsagents perhaps in the mornings, but that was about it.
Then in the 1970s, big stores started having their sales start on Boxing Day itself, and then it spread.
But that was a blip.
Christmas never used to be a compete shut down. For example, London buses were running on Christmas Day itself until 1973. It was more a two day holiday than a complete shut down.