On the second Monday of October, many businesses in the United States will be closed for a federal holiday officially known as Columbus Day. 

Businesses in the entire state of Alaska, however, will be closed for Indigenous Peoples Day, after Gov. Bill Walker renamed the holiday last year. The city of Cambridge, Massachusetts, will also celebrate its first Indigenous Peoples' Day, after the City Council voted unanimously in June to change the name of a holiday whose namesake, they decided, was not worthy of celebrating.

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Source: http://www.thedailybeast.com/