Halloween: Where do the traditions come from?

Halloween is celebrated every year on 31 October all around the world.

In countries like America, it truly is a holiday season. Trick or treats, pumpkins, spooky costumes.

But do you really know what it's all about and why its celebrated? Well fear not, folks!

No tricks, all treats...

...Here's everything you need to know about how this terrifying tradition came about.