Woman suffrage leader Elizabeth Cady Stanton, on the left, testified before congressmen in 1878 in support of the newly introduced Constitutional amendment guaranteeing women the right to vote. (Credit: Library of Congress/“Winning the Vote”)

Alice Paul, leader of the National Woman’s Party, unfurled the completed Ratification Flag in Washington D.C. in August 1920 to celebrate passage of the 19th Amendment to the U.S. Constitution guaranteeing women nationally the right to vote. (Credit: Library of Congress/”Winning the Vote”)