Today, Halloween is a fixture of American culture, a beloved national holiday. But if the soul of Halloween — its connection with the unpredictable and unseen world of the spirit — had not been carefully guarded in our culture form the very beginning, the holiday might well have been lost to us. Although Halloween has never received the official legal status of Thanksgiving or the Fourth of July, it is nevertheless a feature of our calendars and a date anticipated with great excitement and preparation. Despite its commercial trappings and other pitfalls of any fully modern holiday, Halloween provides something that is unique: a full-fledged celebration of fantasy. It is the one night of the year when all is overturned, when the natural order reverses itself. The dead walk, the glamorous grow horrific, the ordinary becomes extraordinary. Children rebel and adults kick up their heels and holler at the moon. It is a holiday of magic and mystery, and one, through a peculiar blending of culture and custom, that is uniquely American.
— Lesley Bannatyne, Halloween: An American Holiday, an American History
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Call it Samhain, Summer’s End, All Hallows’ Eve, November Eve, or Witches’ Night — Halloween has its essential roots in the terrors of the primitive mind, which made no distinction between the waning of the sun and the potential extinction of the self. Ancient rituals of sacrifice and supplication were employed to guarantee a good harvest and, by extension, continued earthly existence.
In Northern climates, harvest time was, or seemed, the very death of nature. As Robert Chambers, the great Victorian chronicler of holidays, characterized October: “As the fallen leaves career before us — crumbling ruins of summer’s beautiful halls — we cannot help thinking of those who have perished — who have gone before us, blown forward to the grave by the icy blasts of Death.”
Because life itself was literally in the balance at harvest, the close proximity of the visible world and the spirit world was more than metaphor. And so the tradition grew: for one night each year, permission would be granted to mortals to peer into the future, divine their fates, communicate with supernatural entities, and otherwise enjoy a degree of license and liberty unimaginable — or simply unattainable — the rest of the year. The Halloween machine turns the world upside down. One’s identity can be discarded with impunity. Men dress as women, and vice versa. Authority can be mocked and circumvented. And, most important, graves open and the departed return.
— David J. Skal, Death Makes a Holiday: A Cultural History of Halloween
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As a holiday without an official patron, Halloween has never been securely anchored in national narratives. It has always operated on the margins of mainstream commemorative practices, retaining some of the topsy-turvy features of early modern festivals — parody, transgression, catharsis, the bodily excesses of the carnivalesque — and recharging them in new social and political contexts. That is part of the secret of its resilience and vibrancy.
— Nicholas Rogers, Halloween: From Pagan Ritual to Party Night
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It was both the first day of the new year and the first day of winter. As a point of transition in the annual calendar, a great many beliefs and rituals were associated with the day. The gates that separated the worlds of the living and the dead, of this world and the world of spirits, were opened, the barriers between this world and the next were down, and the souls of those who had died during the year were allowed entry to the otherworld. Bonfires were lit on Samhain, some say to light the way for the spirits, others say to keep them away from peoples’ homes. With the belief in in the wandering spirits of the dead came the custom of preparing offerings of special foods, and of dressing as these spirits and as wild animals. We can only guess at the connections people made between the harvest of crops, the slaughter of animals, and the death of human beings in the cycle of life; or between lighting fires at the onsent of winter and the increasing darkness, between mimicking the wandering souls and respecting them, and between the ritualized offering of food to spirits and their representatives: real human beings who need food to live.
— Jack Santino, Halloween and other Festivals of Life and Death