It is Boxing Day in much of the English speaking world outside of the USA, although this year most Americans are getting the day off because Christmas was on a Sunday. However in Canada, the UK and Australia, it is one of the biggest shopping days of the year, a version of Black Friday where everyone lines up for bargains.

On December 19, 1663 Samuel Pepys wrote in his diary about running an errand: "Thence by coach to my shoemaker’s and paid all there, and gave something to the boys’ box against Christmas." It's one of the earliest references to the English tradition of putting together a box of money, gifts, hand-me-downs and even leftover food for servants who had to work Christmas day and got the next day off to spend with their families...Read more on Treehugger