Early Christians didn't celebrate it either. It was a Roman Emperor Constantine, who celebrated Sol Invictus. Another 'birth of the sun' story at the winter solstice. That eventually got incorporated into early christian doctrine as the 'birth of the son' around 21st-25th Dec.
I’ve had a few nights like that when it felt like I’d risen from the dead to collect my pizza order the next day. Must’ve been a hell’ve a party
Anyway, this Pagan chat is good, but I need to get some sleep Got some standing stones to get naked at at sunrise laters