… and Mississaugas of the Credit First Nation celebrating family and culture on … variety of celebrations of First Nations, Métis, and Inuit cultures. For Six Nations … . At Mississaugas of the Credit First Nation it’s a day of …… and Mississaugas of the Credit First Nation celebrating family and culture on … variety of celebrations of First Nations, Métis, and Inuit cultures. For Six Nations … . At Mississaugas of the Credit First Nation it’s a day of …