A proper noun names something specific. A proper noun is always capitalized. Names of holiday are always proper nouns and must be capitalized. EasterValentine’s DayThanksgivingChristmasLabor DayHalloweenMother’s DayFather’s DayHanukkahVeteran’s Day Capitalize all holidays because they are proper nouns. It’s your turn…. Read more1148. The Proper Noun – Names of Holidays