First International

International socialist organization (1864–1876)

The International Workingmen's Association (IWA), commonly known as the First International, was a political international which aimed to unite a variety of left-wing political groups and trade union organizations based on the working class and class struggle. It was founded in 1864 at a workers' meeting in St Martin's Hall, London, and its first congress was held in 1866 in Geneva. The IWA's history was characterized by internal conflicts between different socialist and anarchist factions.

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