 It is similar to Native American Day, observed in September in California and Tennessee.In 1977, the International Conference on Discrimination Against Indigenous Populations in the Americas, sponsored by the United Nations in Geneva, Switzerland, began to discuss replacing Columbus Day in the United States with a celebration to be known as Indigenous Peoples' Day.Similarly, Native American groups staged a sort of protest in Boston instead of Thanksgiving, which has been celebrated there to mark collaboration between English colonists and Native Americans in the first years.