Veneration of the dead begging for candy). In Cornwall and Wales, the autumn ancestor festivals occur around Nov. 1. In Cornwall the festival is known as "Kalan Gwav", and in Wales as "Calan Gaeaf." The festivals bear some similarities to the better-known Gaelic festival of Samhain, from which modern Halloween is derived. During "Samhain", November 1 in Ireland and Scotland, the dead are thought to return to the world of the living, and offerings of food and light are left for them. On the festival day, ancient people would extinguish the hearth fires in their homes, participate in a community bonfire festival, and then
Samhain Stokes suggested an etymology from Proto-Celtic "*samani" ("assembly"), and Joseph Vendryes suggested that it is unrelated to "*semo-" ("summer"), because the Celtic summer ended in August. The Gaulish month name "(pertaining to) Summer" on the Coligny calendar is likely related to the word "Samhain". A festival of some kind may have been held during the 'three nights of "Samonios"' (Gaulish "trinux[tion] samo[nii]"). The Gaulish calendar seems to have split the year into two-halves: the first beginning with the month and the second beginning with the month , which is related to the word for winter, PIE "*g'hei-men-" (Latin "hiems", Latvian