The first chocolate bar was produced in 1847 by a company in Bristol called Fry & Son.The company was eventually acquired by Cadbury in 1919.

Yes, it's the compound theobromine that is poisonous to both cats and dogs. Unlike humans, our canine and feline friends cannot metabolise theobromine as quickly, making even very small doses lethal.

Just 40 bars of chocolate (doesn't seem like much, does it?) has enough theobromine to count as a lethal dose for humans.

According to 2015 figures, around18.1 pounds of chocolate were purchased by each person in Switzerland, a fair amount greater than the 14.6 pounds purchased per person in the UK, which only came fifth on the list.

White chocolate doesn't actually contain any cocoa solids, i.e., chocolate! It is made out of cocoa butter though, which is what gets squished out of the cocoa beans during the chocolate-making process.

The Ivory Coast produces over 40% of the world's cocoa.

It's true! A chocolate bar contains an average of EIGHT insect parts. Mmmm, yummy!

The earliest trace of cocoa was found in an Olmec jug from 600BCE. Cocoa was also widely consumed as a drink by the Mayans who followed, and even the Aztecs (who eventually also used it as currency).

Around 400 million delicious buttons are made within 24 hours. Plus over 5.5 million Dairy Milk bars and 1.2 million Creme Eggs...