23/10/2015 14:47 BST | Updated 27/10/2015 11:59 GMT

When Is Halloween? And Why Do We Celebrate It?

Characterised by a rash of witches, ghouls and monsters, Halloween is a hair-raising time of year.

It falls on 31 October – a Saturday this year – and while it ticks all the boxes of modern day celebration and consumerism, its roots actually date back thousands of years…

Photo gallery History of Halloween See Gallery