World Anti-Slavery Convention (1840)

World Anti-Slavery Convention (1840)
Benjamin Haydon · Public domain · source
Name	World Anti-Slavery Convention (1840)
Caption	Delegates to the 1840 convention (engraving)
Date	June 12–23, 1840
Location	London, United Kingdom
Participants	Delegates from United Kingdom, United States, France, Belgium, Netherlands, Switzerland, Denmark, Sweden, Norway, Prussia
Key people	Joseph Sturge, Thomas Clarkson, William Wilberforce, James Cropper, Samuel Gurney, George Thompson, William Lloyd Garrison, Lucretia Mott, Elizabeth Cady Stanton
Outcome	Formation of international anti-slavery networks; controversy over female delegates

World Anti-Slavery Convention (1840) The World Anti-Slavery Convention (1840) was an international gathering in London that aimed to coordinate abolitionist activity across Europe and the United States. It brought together activists, politicians, philanthropists, and clergy from multiple countries and sparked a notable controversy over the role of women in international reform movements. The convention influenced subsequent campaigns against slavery and intersected with emerging women's rights activism.

Background and organization

The convention was convened amid mounting activism following the abolition of the British Empire slave trade under the Slave Trade Act 1807 and the emancipation of enslaved people under the Slavery Abolition Act 1833. Organizers included prominent figures from the Society for the Mitigation and Gradual Abolition of Slavery Throughout the British Dominions, British and Foreign Anti-Slavery Society, and the Emancipation Society, with financial backing from philanthropists linked to Quaker networks such as Joseph Sturge and Samuel Gurney. Debates in the House of Commons and pamphlets by Thomas Clarkson and William Wilberforce helped galvanize public support. Invitations were sent to abolitionist groups in the United States, France, Belgium, Netherlands, Switzerland, Denmark, Sweden-Norway, and various German states including Prussia and Saxony. The convention was hosted in Freemasons' Hall, London and chaired by figures connected to Clapham Sect social reformers and the evangelical networks of Methodist and Unitarian leaders.

Proceedings and participants

Delegates included members of the American Anti-Slavery Society, Pennsylvania Abolition Society, Massachusetts Anti-Slavery Society, as well as European societies like the Société pour l'Abolition de l’Esclavage in France and the Belgian Anti-Slavery Society. Notable attendees were George Thompson, James Cropper, Thomas Fowell Buxton, Henry Brougham, Earl of Shaftesbury, and Lord Brougham. American delegates included William Lloyd Garrison, Arthur Tappan, Samuel E. Sewall, Gerrit Smith, Charles Lenox Remond, Elijah P. Lovejoy, Lucretia Mott, Elizabeth Cady Stanton, and Maria Weston Chapman. Observers and correspondents represented institutions such as Oberlin College, Rutgers University, Harvard University, and Yale University; religious orders such as Quakers, Unitarians, Baptists, and Presbyterians featured prominently. Print coverage by editors of The Liberator, The Anti-Slavery Standard, The Morning Chronicle, and The Times documented proceedings and speeches. Delegates prepared petitions directed at the British Parliament and foreign governments including representatives of Haiti, Sierra Leone, and colonial administrations in the Caribbean.

Debates and resolutions

The convention debated resolutions on immediate abolition, gradual emancipation, compensation, abolition of the slave trade, and measures to suppress the international market in enslaved labor. Key motions referenced precedents such as the Haitian Revolution, decisions from the Congress of Vienna, and earlier British statutes like the Abolition of the Slave Trade Act 1807 and Slavery Abolition Act 1833. Delegates argued over tactics—moral suasion promoted by William Wilberforce and Thomas Clarkson versus immediatist strategies endorsed by William Lloyd Garrison and Gerrit Smith. Resolutions also addressed the role of colonial administrations in Barbados, Jamaica, and Trinidad and Tobago, and urged pressure on nations including the United States, Brazil, Spain, and Portugal to abolish slavery. The convention produced a series of declarations urging member societies to coordinate boycotts, petitions, and diplomatic appeals to monarchs such as Queen Victoria and heads of state like President Martin Van Buren and Emperor Pedro II of Brazil.

Role of women and the 1840 controversy

A defining moment was the exclusion of female delegates from the main floor despite their credentials from societies such as the Philadelphia Female Anti-Slavery Society and the Boston Female Anti-Slavery Society. Prominent women including Lucretia Mott, Elizabeth Cady Stanton, Mary Anne Estlin, and Anne Knight were relegated to a segregated gallery, provoking protests. The dispute involved male delegates such as Joseph Sturge, Thomas Fowell Buxton, and George Thompson who argued procedural grounds, while others like William Lloyd Garrison supported full participation. The controversy catalyzed later events including the Seneca Falls Convention and the drafting of the Declaration of Sentiments by activists who had been present in London, linking abolitionism with nascent organized women's rights campaigns led by figures such as Susan B. Anthony and Lucy Stone.

Immediate aftermath and impact

After the convention, international networks solidified among abolitionist societies across Europe and the Americas. Delegates returned to societies including the American Anti-Slavery Society, British and Foreign Anti-Slavery Society, French Anti-Slavery Society, and provincial organizations in Scotland, Ireland, and Belgium to intensify petitioning. Press accounts in outlets like The Liberator amplified calls for immediate emancipation in the United States and for diplomatic pressure on Brazil and Cuba. The exclusion of women prompted the formation of separate women's organizations and influenced transatlantic reform agendas, affecting campaigns around abolition in Haiti and the protection of freed people in Sierra Leone and Liberia.

Legacy and historical assessment

Historians assess the 1840 convention as a landmark in transnational reform, illustrating the strengths and limitations of nineteenth-century abolitionist coalitions. Scholars link the event to broader currents involving the Clapham Sect, evangelical Protestant activism, transatlantic print culture, and changing nineteenth-century norms about public participation by women. The convention is cited in studies of figures such as William Wilberforce, Thomas Clarkson, William Lloyd Garrison, Lucretia Mott, and Elizabeth Cady Stanton, and in analyses of movements in Brazil, Cuba, and the United States. While the convention advanced international coordination against slavery, its gender exclusions revealed fractures that shaped subsequent reform movements including the women's suffrage movement and abolitionist strategies through the remainder of the nineteenth century.

Category:Abolitionism