Although we tend to associate #IndigenousPeoplesDay with reactions to the 1992 #Columbus quincentenary, the origins in fact go back to a UN conference of 1977:
https://acervo.socioambiental.org/sites/default/files/documents/I5D00027.pdf
#Indigenous Peoples' Day, as explained by #NativeAmericans : NPR
https://www.npr.org/2021/10/11/1044823626/
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