Woman's Suffrage By Michelle Chung May 5, 1840 International Slavery Convention in London Lucretia Mott and Elizabeth Cady Stanton met when they were both excluded from the International Slavery Convention because they were women. Period: May 5, 1840 to May 5, 1920 Women's Suffrage May 5, 1845 Margaret Fuller wrote Women in the Nineteenth Century Jul 19, 1848 Seneca Falls Convention Held to "discuss the socail, cival, and religious rights of women." May 5, 1860 Women's Property Law was passed May 5, 1869 The National Woman Suffrage Association was founded May 6, 1878 The federal woman suffrage amendment is introduced May 6, 1878 The federal woman suffrage amendment is introduced by Susan B. Anthony May 5, 1893 Colorado becomes the first state to allow women to vote May 6, 1896 The National Association of Colored Women is formed May 6, 1903 The WTUL is formed May 6, 1913 Congressional Union is formed May 6, 1919 The 19th amendment is passed by Congress Aug 26, 1920 19th Amendment is signed to law by Secretary of State Bainbridge Colby.