1773-1779: Black freedom petitions: "For the sake of justice, humanity"
1779: In New Hampshire, 20 enslaved Africans petition for freedom
1783: Belinda Sutton: Fights to be paid for 50 years in bondage
1784: Black Freemasons spur activism, advance abolitionist cause
1830: Congress seizes Native lands, triggers slavery expansion
1837: Planter's daughters campaign for abolition, women's rights
1838: Abolitionists demand Congress restore free debate on slavery
1842: Sarah Parker Remond: Activist for human rights, women's suffrage
1843: Abolitionists campaign against segregation, for interracial marriage
1862: Congress frees all enslaved people in Washington, D.C.