Saint Valentine's Day (commonly shortened to Valentine's Day) is an annual holiday held on February 14 celebrating love and affection between intimate companions
Annual holiday observed on October 31. It has roots in the Celtic festival of Samhain and the Christian holiday All Saints' Day, but is today largely a secular celebration.
Saint Patrick's Day is an annual feast day that celebrates Saint Patrick (circa AD 387–493), the most commonly recognized of the patron saints of Ireland, and is generally celebrated on 17 March.