DAKOTA DATEBOOK: Pembina County

August 21, 2026 – When Europeans arrived in the area along the Pembina and Red Rivers in the 1600s, the land was already home to the Assiniboine and Lakota. They were later joined by the Chippewa, who migrated from the east and became the dominant tribe, pushing the others farther west.

The Indigenous inhabitants formed trading relationships with French trappers, who often married Native American w…