Question

Why is 20 october is celebrated as halloween day in all over the world ? or what is the reason behind this ? can anybody please tell me .​

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

The origins of All Hallows' Eve can be traced back to the ancient Celtic festival of Samhain, which was a harvest festival. The Celtics were a people that came 2000 years ago, and their celebration of Halloween was centred around the end of the harvest season and beginning of the cold winter months.