Federal holidays in the US are moments of historical importance and cultural significance. Indigenous Peoples’ Day, celebrated on the second Monday of October, honors the rich history and contributions of Native Americans. It serves as an alternative to Columbus Day, addressing the controversy surrounding Christopher Columbus’s role in discovering the Americas. Indigenous Peoples’ Day has gained recognition in 29 states and 198 cities, becoming a platform to educate the public about Native American culture and challenges. This article also provides an overview of the US federal holiday calendar and the guidelines for their observance. While federal employees have the day off on these holidays, not all Americans do. The article concludes by addressing frequently asked questions about federal holidays and National Thanksgiving Day.