(The Conversation) — President Trump evoked the Wounded Knee massacre in a recent tweet. He was reacting to an Instagram video that Sen. Elizabeth Warren posted on New Year’s Eve.

If Elizabeth Warren, often referred to by me as Pocahontas, did this commercial from Bighorn or Wounded Knee instead of her kitchen, with her husband dressed in full Indian garb, it would have been a smash! pic.twitter.com/D5KWr8EPan

— Donald J. Trump (@realDonaldTrump) January 14, 2019

There’s been considerable criticism of the president’s inaccurate portrayal of Native American history, including from members of his own party. Two Republican senators from South Dakota, Mike Rounds and John Thune, spoke out against the tweet.

Wounded Knee is among the worst massacres in Native American history. It was also one of the most violent examples of the repression of indigenous religion in American history.

Religious suppression

Religion historian Tisa Wenger explains that before the 20th century, many Americans believed that “indigenous practices were by definition savage, superstitious and coercive.” They did not consider them to be religion.

In part because of this belief, the U.S. government decided not to recognize Native Americans as citizens of sovereign governments in the 19th century, but as colonial subjects. In 1883, the Department of Interior enacted the first “Indian Religious Crimes Code” making the practice of Native American religions illegal. These codes remained in place until 1934.

In response, Wenger writes, some Native American groups tried to convince government agents that their gatherings were places of “prayer and worship” similar to Christian churches. Others claimed that their gathering were “social,” not religious.

But this kind of masking of religious practices did not stop the U.S. government from using violence to suppress these Native American ceremonies.

In 1890, the U.S. military shot and killed hundreds of unarmed men, women and children at Wounded Knee, South Dakota, in an effort to suppress a Native American religious ceremony called the “ghost dance.”

Historian Louis Warren explains that the ghost dance developed as a religious practice in the late 19th century after Native Americans witnessed the devastating environmental change of their homelands from American settlement. The dance envisioned a return to their unspoiled natural world.

The U.S. military, however, viewed it differently. They believed the Native Americans at Wounded Knee were gathering for war.

In full tribal regalia, Dewey Beard, left, and James Pipe-on-Head, right, survivors of the wounded knee creek massacre of 1890 in South Dakota, arrived in Washington on March 4, 1938, to testify in behalf of a bill to pay $1,000 to each of the survivors of the bloody fight in which 290 members of the Sioux Indian band were slain. They were greeted by John Collier, center, Commissioner of Indian Affairs. (AP Photo)

The darkest moment

The U.S. government changed its policies of openly suppressing indigenous religions in 1934. But it would take another 44 years before the U.S. fully committed “to protect and preserve” religious rights of American Indians through the American Indian Religious Freedom Act in 1978.

As a Native American scholar of religion and environment history, I agree with Republican Sen. Mike Rounds – the Wounded Knee massacre “should never be used as a punchline.”

(Rosalyn R. LaPier is an associate professor of environmental studies at the University of Montana.)

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