Every household has its favoured Christmas traditions: champagne at breakfast, presents opened after church, the cataclysmic argument at 5pm when Dad wins Monopoly for the ninth year running.
But did you know that while we're tucking into our Christmas pudding waiting for Betty to give her annual report, the Czechs are throwing shoes over their shoulder? Or that Dutch children are tearing through their gifts from Sinterklass and Black Peter?
The following chart from ChristianUniveristesOnline.org provides a sack of festive facts, from how to say Merry Christmas in an unwieldy number of languages to details of the largest Christmas present ever given.
Jutdlime pivdluarit ukiortame pivdluaritlo one and all.