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Fourth International

The Strange Story of Trotskyism in the Alps

A new book in German tells the story of the Trotskyist movement in Switzerland from 1945 to 1968. It includes the strangest case of infiltration since the founding of the Fourth International.

Nathaniel Flakin

June 23, 2022

Leon Trotsky’s Legacy and the Present

We publish here the introduction to Marxism and Our Epoch, a collection of Leon Trotsky’s texts that are most relevant for understanding our current moment.

Christian Castillo

July 17, 2020

Reading List on the Trotskyist Fraction

Left Voice is part of an international network of revolutionary online newspapers. Here are some readings to introduce you to the Trotskyist Fraction - Fourth International.

Left Voice

May 10, 2020

Workers of the World Unite: Why Socialists Need to Build International Organizations

On May Day Left Voice will be participating in an international May Day rally. 14 countries, six languages, but one message: we won't pay for this crisis. Why is internationalism so important to socialists and why do socialists need an international organization?

Julia Wallace

April 30, 2020

Why Socialists Fight for an International Organization

Over the last two centuries, the working class has built up four different internationals. Today more than ever, socialists need an international organization. But what does that look like in practice?

Nathaniel Flakin

February 15, 2020

Chile’s General Strike: Over a Million Reject Piñera’s Crumbs. There Is a Will to Fight for More.

The national leader of the Partido de Trabajadores Revolucionarios, a revolutionary left party in Chile, calls for a continuation of the protests until Piñera is overthrown. There are enough forces to win and to impose a free, sovereign Constituent Assembly, to discuss the urgent social problems of the day, and to do away with the legacies of Pinochet’s dictatorship.

Pablo Torres

October 24, 2019

On the Trotskyist Rudolf Klement, Assassinated by Stalinism

Rudolf Klement, secretary of the Fourth International and a companion of Leon Trotsky, was so instrumental in spreading Trotskyist ideas and arguments abroad that he became a danger to Stalin's hegemony. Stalinist agents kidnapped him on July 12, 1938, and his body was found over a month later.

Leah Muñoz

July 12, 2019

Trotsky Arrives in Havana

The thought of the Russian revolutionary was discussed on the island. Pablo Oprinari of the CEIP (Center of Studies, Research, and Publications) Leon Trotsky in Mexico City reports on a conference in Cuba.

Pablo Oprinari

May 30, 2019

Class Struggles and New Political Phenomena Around the World

With the yellow vest movement in France and the uprisings against pro-imperialist dictatorships in Algeria and Sudan, the oppressed have burst onto a tumultuous international scene.