Marx and Engels begin sustained collaboration

Marx married Jenny von Westphalen after a long engagement. Their shared life included exile, poverty, illness, childcare, and political work; the surviving record also reveals how much Marx’s public...

In Paris, Marx studied French socialism, political economy, and revolutionary politics. His manuscripts from 1844 began connecting alienated labor to private property, wage relations, and the...

The journal printed Marx’s critique of Hegel’s philosophy of right and his account of the Jewish question. The essays linked emancipation to social transformation, though later readers debate their...

Engels’s essay connected private property, competition, and economic crisis, offering an early socialist critique of political economy. Marx later described it as an important contribution to their...

In notebooks written during 1844, Marx examined alienated labor, private property, and the relation between human capacities and production. The manuscripts were not published until 1932, and later...

Under Prussian pressure, French authorities ordered Marx to leave. In Brussels he worked with Engels and other exiles, developing a critique of idealist philosophy and building cross-border...

Drawing on Manchester research, Engels documented housing, health, wages, and industrial discipline. It made working-class conditions central to socialist analysis, though its depiction of the city...

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...