AdvertisementThe Nudge And Tie Breaker That Took Women's Suffrage From Nay To YeaAugust 17, 2020Melissa BlockfacebookEmailAlice Paul, a leader of the National Woman's Party, unfurls the ratification banner with its new 36th star after Tennessee ratified the 19th Amendment on Aug. 18, 1920. The amendment prohibits denying the right to vote based on sex. (Library of Congress)