I think that particular sentence needs to be rewritten. After all I remember voting several time for Ben Nighthorse Campbell, a member of the Northern Cheyenne tribe. Then there was Charles Curtis, a member of the Kaw tribe.
I think the sentence needs to be: “For the first time in nearly 200 years, an Indigenous tribal nation may have a representative in Congress.”
But then again, history is there to be changed to fit the current narrative
Lakota Sioux, Ben Reifel, served five terms in the US House of Representatives from 1961-1971. He was a Republican.
Actually, Nighthorse Campbell was a Congressman before moving to the Senate.
Ben Riefel if South Dakota comes to mind too