Today in History for Oct. 6: In 2021, Parks Canada was going to update the commemorative plaques at the graves of 16 former prime ministers to reflect changes in how they are remembered. Officials were rethinking what the panels should say to reflect how the country views its past, specifically in light of historical mistreatment of Indigenous Peoples. Today in History for Oct. 7: On this date, In 1763, a Royal proclamation sought to deal with the problem of aboriginal unrest in the west. The western boundary of Quebec was set at a line running northwest from the point where the 45th parallel crossed the St. Lawrence River to Lake Nipissing. The Appalachian watershed became the western boundary of the Atlantic colonies, blocking British settlement of the Indian lands of…