What distinction does jeanette rankin hold in united states government?

Eannette Pickering Rankin (June 11, 1880 – May 18, 1973) was an American politician and women's rights advocate, and the first woman to hold national office in the United States. She was elected to the U.S. House of Representatives by the state of Montana in 1916, and again in 1940.[1] She is to date the only woman elected to Congress from Montana.