1832: Maria W. Stewart: Militant abolitionist, women's rights champion
1837: Planter's daughters campaign for abolition, women's rights
1842: "Under ground rail-road" promoter transports hundreds to freedom
1845: Frances Ellen Watkins Harper: Poet, anti-slavery activist
1847: The Crafts: Tireless speakers against slavery after daring escape
1850: Martin Delany: Abolitionist leader, champions Black self-reliance
1851: Sojourner Truth: Activist for abolition, women's rights, prison reform
1854: Wisconsin activists help escapees, challenge Fugitive Slave Act
1857: "The Weeping Time": Enslaver sells 429 people in two days
1861: Landscape architect helps persuade Britain to shun Confederacy
1862: Ida B. Wells: Exposes lynching horrors with the "light of truth"