Dillard's is known for their Hero Appreciation Day which gives US Military, guardsmen, police officers, firefighters and reservists, and their immediate family members a 20% discount on selected days of the year. If you can't wait for these days to come by, you can always go online and claim Dillard's discount coupons. Enjoy up to a 40% discount with these coupons on your next online purchase at Dillard's.