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For instance, the contemporary calendars produced by the Celtic League begin and end at Samhain.

It is important to remember that all of the written documents in places like Ireland and Wales date to a time after the arrival of Christianity in the 5th century.

solstice and equinox, so the mid-summer festival would fall considerably later than summer solstice, around (Lughnasadh).

It appears that the calendar was designed to align the lunations with the agricultural cycle of vegetation, and that the exact astronomical position of the Sun at that time was considered less important.

"end") is a festival on the end of the harvest season in Gaelic and Brythonic cultures, with aspects of a festival of the dead.

Many scholars believe that it was the beginning of the Celtic year.

Samhain was identified in Celtic literature as the beginning of the Celtic year and its description as "Celtic New Year" was popularised in 18th century literature From this usage in the Romanticist Celtic Revival, Samhain is still popularly regarded as the "Celtic New Year" in the contemporary Celtic cultures, both in the Six Celtic Nations and the diaspora.

The night of Samhain, in Irish, , is one of the principal festivals of the Celtic calendar, and falls on the 31st of October. In modern Ireland and Scotland, the name by which Halloween is known in the Gaelic language is still .

It is still the custom in some areas to set a place for the dead at the Samhain feast, and to tell tales of the ancestors on that night.

Bonfires played a large part in the festivities celebrated down through the last several centuries, and up through the present day in some rural areas of the Celtic nations and the diaspora.

Villagers were said to have cast the bones of the slaughtered cattle upon the flames.

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