What is what holiday is october 9 2023?

October 9, 2023, is a Monday and it is observed as Columbus Day in the United States. Columbus Day is a federal holiday that commemorates the arrival of Christopher Columbus in the Americas on October 12, 1492. It is a day to honor the contributions and achievements of Italian explorer Christopher Columbus. Many states also celebrate Indigenous Peoples' Day on this day as a way to recognize and honor the Native American tribes and cultures that existed long before Columbus arrived.