Halloween deceased relatives and they decorate them with flowers and candies and other offerings. Halloween Halloween or Hallowe'en (a contraction of Hallows' Even or Hallows' Evening), 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 begins the three-day observance of Allhallowtide, the time in the liturgical year dedicated to remembering the dead, including saints (hallows), martyrs, and all the faithful departed. It is widely believed that many Halloween traditions originated from ancient Celtic harvest festivals, particularly the
All Hallows-on-the-Wall subsequently fell into dereliction. Dance rebuilt the church when he was only 24 years old. He had recently returned from Italy where he had conducted detailed studies of Classical buildings. The new All Hallows took its inspiration from the Classical world and was remarkably simple in form, with no aisles; its interior consists solely of a barrel-vaulted nave with a half-dome apse at the far end, with decoration deriving from the ancient Temple of Venus and Rome in the city of Rome. Attached Ionic columns support a frieze, rather than the usual entablature. The exterior is plain and of brick,