Columbus Day, which falls on the second Monday of October, is one of 10 federal holidays recognized by the U.S. government. This year, it falls on Oct. 14. The day commemorates the arrival of Christopher Columbus to North America in October 1492. Many also see it as a time to celebrate Italian heritage. Columbus Day was first recognized as a U.S. federal holiday in the 1930s, but some states — Alaska, Hawaii and South Dakota — do not observe the holiday, which is widely controversial because of Columbus’ treatment of indigenous people.Columbus Day: Celebrating cultural heritage, or the colonization of Native Americans?South Dakota instead celebrates Native American Day and Hawaii celebrates Discoverers’ Day. Other states and over 100 cities have replaced Columbus Day with Indigenous Peoples Day.Here’s what businesses will be open or closed on MondayBanks: Most banks, including Federal Reserve Banks, Bank of America, Wells Fargo and PNC Bank, will be closed. TD Bank will remain open on Monday. Mail services: The United States Postal Service will not deliver mail on Monday. However, UPS does not observe Columbus Day and locations will be open. And, UPS will pick up and deliver packages as normal. FedEx will be operational, with the exception of modified service for FedEx Express and FedEx SmartPost.Schools: Many schools will be closed on Columbus Day, but some districts, including the School Districts in Florida, do not observe the holiday and will remain open. Libraries: Most public libraries, including the New York Public Library, will be closed on Columbus Day. Stock markets: The New York Stock Exchange and Nasdaq will remain open.