what holiday is monday october 9th

Monday, October 9th, 2023 is observed as Columbus Day in the United States. Columbus Day is a national holiday that commemorates the anniversary of Christopher Columbuss arrival in the Americas. It has been observed on the second Monday in October since 1971, as per the Uniform Monday Holiday Act. This day is generally observed by banks, the bond market, the U.S. Postal Service, federal agencies, most state government offices, many businesses, and most school districts.