Labor Party (United States, 19th century)
number of political parties in the US in the 19th century

Labor Party was the name or partial name of a number of United States political parties which were organized during the 1870s and 1880s.
History
In 1867, the first American chapter of the International Workingmen's Association opened. In 1873, the Workingmen's Party of Illinois is formed. In 1874, the Social-Democratic Workingmen's Party of North America was formed. In the 1870s, the Social Political Workingmen's Society of Cincinnati was formed. In 1876, all four merged into the Workingmen's Party of the United States. In 1877, that became the Socialist Labor Party of North America.
In 1877, the Workingman's Party was formed in California, led by Denis Kearney. By 1879, it was powerful enough to help re-write the state constitution of California, inserting provisions intended to curb the powers of capital and to abolish Chinese contract labor.
In 1878, the Greenback Party, under the influence of leaders of organized labor, changed its name to the Greenback Labor Party.
This brief starts where responsible research should: with the source description of “Labor Party (United States, 19th century)” as number of political parties in the US in the 19th century. Everything that follows is an evidence route, not borrowed authority.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Jul 11, 2026. The linked authority identifier is Q6467186. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1867, 1873, 1874 and 1876.
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This entry incorporates text from “Labor Party (United States, 19th century)” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.