Native American Day is a holiday observed on the 2nd Monday in October and it also celebrates the cultures and contributions of the many American Native Tribes. The day is observed to celebrate the cultures, history of tribes, and heritage across the nation. The diversity of the nation is carried in its own traditions, rituals, and beliefs. The day also celebrates their knowledge, contributions and enriching heritage. The day also reminds us of the enduring legacy of the strength, energy and fortitude. Though, the holiday is not celebrated in all the 50 states, but it is celebrated widely in many of the states in United Nations.  

Across the celebrated states, you will see many events hosted as soon as the day is arriving nearby. You can have a look at the site and attend the events organized nearby your place. You can also visit museums or read books by Native American Authors. It is one of the best ways to learn about the Native Americans history. You can also explore the different versions of the language to learn about and bring back the lost language. It is a holiday celebrated in United States in lieu of Columbus Day.  

As per your state, you should visit the site to confirm the date and day of the celebration in order to avoid any misunderstanding. In some states there are awareness-raising activities organized in order to create more awareness and learning about the history and the celebration of the day.  So, you can have a look at the site and confirm the date and day of the celebration in your state.