an uprising of Métis, and some early white settlers in the Red River area in 1870, led by Louis Riel and caused by encroachment on prairie lands by the Canadian government.
1870  A pamphlet lately published in Montreal, entitled "The Red River Insurrection," has come to hand at a most opportune moment.
1942  . . . the Red River Insurrection broke out, and as there was some danger of the returns from Forts Pelly and Ellice, being seized by Riel, Campbell took upon himself the responsibility of sending them through the States to the Company post at Georgetown.
1966  Without the fort [Fort Garry], the Red River insurrection would almost surely have been short-lived.