So, settle in and prepare to learn all kinds of Halloween trivia about October 31. By the time you're through ... Day was a feast day on the Catholic calendar,” says Kelly.

As Diwali and Halloween fall on the same day this year – October 31 – check out highlights ... There are countless festivals on the Hindu calendar, and Diwali is one the the biggest.

On Thursday, October 31, is Halloween, a popular "spooky" day celebrated ... here are 12 holidays on the United States Calendar that most people probably didn't know existed.