On this day in 1872, Major John Green sent troops to the border of northern California and southern Oregon, the homeland of the Modoc people, to move them to a reservation “by force if necessary.” Fighting broke out almost immediately. It was the start of the 8-month Modoc war. To learn more, watch this clip from Aerial America: Northern California. https://bit.ly/3a2lCVZ | Smithsonian Channel