Marx dates the preface to The Poverty of Philosophy

In brief notes later edited and published by Engels, Marx argued that social reality must be understood through human activity and practice. The famous eleventh thesis challenged philosophy to...

Their manuscript criticized Young Hegelian idealism and developed a materialist account of historical change. It was not published in their lifetimes; the text became influential through later...

The committee connected socialist groups across Europe and sought to replace abstract debate with coordinated political exchange. Marx and Engels acted as organizers and polemicists within a...

The committee sought to link socialist groups across borders and coordinate political discussion. This organizing work depended on networks of exiles and workers; the surviving papers...

At its first congress, the League adopted a more explicitly communist program and the slogan “Workers of all countries, unite!” Marx and Engels helped shape the organization, whose international...

Engels wrote a question-and-answer outline for the Communist League, clarifying positions on class, industry, and political change. It became a working precursor to the Manifesto and shows Engels’s...

At its second congress, the League asked Marx and Engels to prepare a public program. The decision followed collective debate among delegates and members; it was not a solitary authorship moment, even...

Commissioned by the Communist League and written principally by Marx with Engels’s collaboration, the Manifesto analyzed capitalism’s globalizing power and called for working-class political action....

The revolutions of 1848 opened space for democratic and republican politics. Marx and Engels returned to organize and publish, joining broader struggles against autocracy while arguing for independent...

Marx edited the paper and Engels contributed reporting and analysis. It supported democratic revolution, criticized compromise with monarchies, and treated workers as political actors, while working...