What is an annual holiday in some parts of the world, celebrated on 31 October, that has its roots in the Celtic festival of Samhain and the Christian holy day of All Saints?
Halloween Halloween or Hallowe'en, also known as Allhalloween, All Hallows' Eve, or All Saints' Eve, is a celebration observed in several countries on 31 October, the eve of the Western Christian feast of All Hallows' Day.
It is generally believed that which Ancient Roman festival, an archaic rite connected to fertility observed from 13 to 15 February, was converted by the Roman Catholic Church to honour the Virgin Mary which in turn became St Valentine's day?