According to tradition, you should eat one mince pie on each of the 12 days of Christmas to bring good luck.

Robins on cards started as a joke 150 years ago when postmen wore red tunics and were named after them.

The first commercial Christmas cards were commissioned by civil servant Sir Henry Cole in London in 1843. Featuring a family drinking wine, one sold for £8,469 in 2014.

Boxing Day gets its name from all the money collected in church alms-boxes for the poor.