President Joe Biden established a national monument at a former federal boarding school that forced assimilation on American Indian youth.

For nearly 50 years during the 19th century, the Carlisle Indian Boarding School served as a flagship model to the federal government's harsh policy on assimilating Native Indian children. On Monday,

Biden will designate a national monument to memorialize the federal government's oppression of thousands of Native American children in a boarding school system during the 19th and 20th centuries.