• 1775 First American abolition society founded 

• 1784 Suicides as protest revive abolitionist group 

• 1793 Province limits slave trade, moves to end slavery 

• 1794 U.S. abolition groups connect and convene 

• 1796 African American mutual aid group founded 

• 1810 David Ruggles: Marshals support for freedom seekers 

• 1816 Unsung heroines play key movement roles 

• 1816 "Fantasy" scheme to preserve U.S. slavery launched 

• 1817-1819 Anti-slavery papers are movement pioneers 

• 1826 New group fosters Black abolitionist movement 

• 1826 John Greenleaf Whittier: Abolitionist poet, editor 

• 1830 Abolitionists lead church desegregation effort 

• 1831 Flagship anti-slavery paper is launched 

• 1832 Black women form female anti-slavery society 

• 1832 Regional anti-slavery society birthed in Boston

• 1832 Maria W. Stewart: Militant abolitionist, women's rights champion 

• 1833 Emiliano Mundrucu: Challenges racism in court 

• 1833 Female anti-slavery groups proliferate 

• 1833 Abolition group is rare for being racially integrated 

• 1833 Lydia Maria Child: Abolitionist and rights advocate

• 1833 Youth choirs part of vibrant anti-slavery culture

• 1834 Mill workers support enslaved cotton pickers 

• 1834 New songs help inspire anti-slavery activism

• 1834 White mobs riot, rampage in two cities

• 1835 Activists foil kidnappers, help fugitives to freedom 

• 1835 Abolitionist women run gauntlet of Boston mob 

• 1836 Abolitionist women gain freedom for enslaved girl 

• 1836 Black women free two who fled bondage 

• 1837 Wendell Phillips: Powerful voice for abolition 

• 1837 Planter's daughters campaign for abolition, women's rights 

• 1837 First college for Black students founded 

• 1838 Mob torches hall after attacking abolitionists 

• 1838 Abolitionists demand Congress restore free debate on slavery 

• 1839 Women's role is key issue in anti-slavery society split 

• 1839-1858 Gift sales raise thousands for anti-slavery cause 

• 1840 Liberty Party aims to advance abolition through ballot box 

• 1842 Campaign prevents escapee's return to bondage 

• 1842 Sarah Parker Remond: Activist for human rights, women's suffrage 

• 1845 Frances Ellen Watkins: Poet, anti-slavery activist 

• 1847 The North Star: Voice of Black abolitionism debuts 

• 1847 Sloop captain carries fugitives to freedom 

• 1847 The Crafts: Tireless speakers against slavery after daring escape 

• 1850-1860 Underground Railroad helps thousands secure freedom 

• 1850 Abolitionist Nancy Gardner Prince publishes autobiography 

• 1850 Martin Delany: Abolitionist leader champions Black self-reliance 

• 1851 Challenges to Fugitive Slave Act fire movement 

• 1860 Wide Awake: The movement that helps Lincoln win 

Deekshita looked at this one too, looking up "anti-slavery organizations"