Leaving aside the data about the origen of Christmas, these are some strange and curious events that I was able to collect about Christmas in history.

Snowy Christmas was a Delivery Event available from 12/10/2020to 12/17/2020 (First Half from 12/10/2020 to 12/13/2020 and Second Half from 12/13/2020 to 12/17/2020) with "Christmas" themed rewards. Coco: That must be our client, Snow. What's wrong? Elisa: I thought you want us to prepare for the party. Snow: Ah... welcome. To Snowtown. Coco: How do you do? You are the caretaker here. I heard that there will be many snowmen at this time... Elisa: There's no one here, but... Snow: As it was…