What kind of religion can't celebrate holidays(christmas,halloween,thankgiving,ect)
Actually most do celebrate halloween
though without it being religous to them
the ones that actually celebrate it as a holiday, that's another story
Mostly the occult religions
Jehovah witnesses don't celebrate any holidays or birthdays
Most religions don't "celebrate" Halloween...and Thanksgiving isn't a religious holiday in the first place.
Jehovah's Witnesses don't even celebrate birthdays...