1848
- Karl Marx's The Communist Manifesto is published
- Study group on the social question held attended by Frederic Le Play, Jean Reynaud, Lamartine, François Arago, Carnot, Lanjuinais, Tocqueville, Montalembert, Sainte-Beuve, Agénor de Gasparin, Abbé Dupanloup, Thiers, Auguste Cochin, Charles Dupin and others
Read more about this topic: 1840s In Sociology