German workers found the Social Democratic Workers’ Party

The General Council backed Polish national independence, linking resistance to imperial domination with international worker solidarity. Marx helped draft the resolution, but the debate also reflected...

Marx argued to workers that wages and profits arose from antagonistic social relations, challenging the view that higher wages alone could end exploitation. The lecture was published only after his...

Delegates debated trade unions, working hours, education, and political organization. Marx prepared instructions for the congress, but the policy agenda emerged from national labor movements and...

Capital analyzed how commodity production, wage labor, and surplus value organize capitalist accumulation. The book drew on global trade and colonial dispossession, though its treatment of colonialism...

In correspondence with physician and socialist Ludwig Kugelmann, Marx discussed political organization and the lessons of the Commune of 1848 in France. Letters reveal his thinking in motion and...

After retiring from the Manchester firm, Engels moved to London and worked closely with Marx and the International. He continued writing, organizing, and providing financial support, while pursuing...

Marx told Engels that the English working class could not emancipate itself while supporting Ireland’s subordination. This marked a strategic shift from expecting English workers to lead change first,...

The General Council circulated Marx’s analysis of Ireland’s national struggle and the English working class. The intervention placed anti-colonial solidarity within a class strategy, while debate...

Marx argued that English workers’ emancipation required opposing Ireland’s subordination, revising his earlier expectation that English workers would lead change on their own. The analysis connected...

The International’s General Council warned workers against identifying with either ruling class and called for solidarity across borders. The statement opposed chauvinism and anticipated the war’s...