In 1869, more than twenty years after Elizabeth Cady Stanton and Susan B. Anthony made their declaration of the rights of woman at Seneca Falls, New York, the men of the Wyoming Territorial Legislature granted women over the age of 21 the right to vote in general elections. And on September 6, 1870, a grandmother named Louisa Ann Swain stepped up to a ballot box in Laramie, Wyoming, and became the first woman in the United States to exercise that...