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 for example the Brythonic Calan Gaeaf (in Wales), Kalan Gwav (in Cornwall), and Kalan Goañv (in Brittany), both Celtic branches are roughly as old as each other. Samhain is believed to have Celtic pagan origins and there is evidence it has been an important date since ancient times. Some Neolithic passage tombs in Ireland are aligned with the sunrise around the time of Samhain. It is mentioned in some of the earliest Irish literature and many important events in Irish mythology happen or begin on Samhain. It was the time when cattle were brought back down from the summer pastures