1841 Dorothea Dix begins her crusade for the humane treatment of the mentally ill.
1850 Harriet Tubman makes her first trip to the South as a conductor on the Underground Railroad.
1852 Harriet Beecher Stowe's Uncle Tom's Cabin is published.
1854 Kansas-Nebraska Act
1855 Missouri v. Celia
1862 Homestead Act
1869 Elizabeth Cady Stanton and Susan B. Anthony found the National Woman Suffrage Association (NWSA), and Lucy Stone helps found the more moderate American Woman Suffrage Association.
1872 Susan B. Anthony is arrested and brought to trial for attempting to vote in the presidential election.
1879 Belva Lockwood becomes the first woman admitted to the Supreme Court bar.