The date, June 27, is a reference to the twenty-seven mixed race ("mestiço", in Portuguese) representatives elect during the 1st Conference for the Promotion of Racial Equality, occurred in the City of Manaus, State of Amazon, Brazil, from April 7 to 9, 2005, and also to the month of June, in which a mixed race woman, after systematic opposition from anti-mixed race groups, was registered as the only mixed race representative in the 1st National Conference for the Promotion of Racial Equality, occurred in Brasilia, from June 30 to July 2, 2005, promoted by Government of Brazil. The Mixed Race Day ("Dia do Mestiço") was made a official date of the City of Manaus on January 6, 2006.
On March 21, 2006, in the International Day for the Elimination of Racial Discrimination, the Mixed Race Day became an official date of the State of Amazon, and on October 6, 2006, of the City of Boa Vista, in the State of Roraima.
The Mixed Race Day pays homage all those who possess multi-racial or multi-ethnic origin. It occurs three days after the Day of the Caboclo, the first Brazilian mixed race identity.
- , copy of the Mixed Race Day law.
- Brazilian Mixed Race Movement