2. Halloween was originally a festival to praise autumn, just like May Festival is to praise spring. Druid, a priest of ancient Gaul, Britain and Ireland, had a grand festival to praise autumn, which lasted for a whole day from midnight on 1 October 3 1 day to the next day 1 1 month1day.
Extended data:
Halloween custom:
1, on the eve of Halloween, people will tell some ghost stories, which is a custom from the ancient Celtic wizards;
2. Lots of bonfires will be lit on the mountains to thank you, and at the same time, it will have the effect of scaring away demons;
3. Witches will also tell fortune by divination. Black cats are considered as mascots brought by witches, and some are considered as incarnations of witches.
4. The pumpkin lantern is the most important symbol of Halloween, which originated in Ireland.
5. On Halloween, both adults and children can do their best to make trouble, but they won't attract strange eyes.
Baidu encyclopedia-Halloween