The first woman elected to the United States Senate was Hattie Caraway in 1931. Representing Arkansas, Caraway served until 1945 and was a pioneer for women in politics. Her election was a significant milestone in the women’s suffrage movement, demonstrating women's ability to hold political office. Caraway was known for her advocacy on issues such as social security and women's rights. Her legacy continues to inspire future generations of female politicians and highlights the progress made in breaking gender barriers in American politics.