Synopsis As Introduced Amends the State Commemorative Dates Act. Provides that the second Monday in October of each year (currently, the last Monday in September) shall be a holiday to be known as Indigenous Peoples Day to be observed throughout the State (currently, not a holiday). Removes Columbus Day as a holiday and a commemorative date. Amends the Election Code, the Illinois Procurement Code, the School Code, and the Promissory Note and Bank Holiday Act to make changes to provide for Indigenous Peoples Day as a State holiday and the removal of Columbus Day as a State holiday. Makes conforming changes.