The Rochdale Pioneers opened their cooperative store in Rochdale, England, in 1844.
The society was formed by 28 weavers and other workers who wanted reliable food at fair prices. Their store opened on Toad Lane on December 21, 1844, initially selling basic goods such as flour, oatmeal, sugar, and butter.
The Rochdale Pioneers became influential because they established practical rules for cooperative retailing, including democratic member control, open membership, cash trading, and the distribution of surplus according to purchases. These principles helped shape later cooperative organizations around the world.
The society was not the first group ever to attempt cooperation, but its operating model became a landmark in the modern cooperative movement. The original building now houses the Rochdale Pioneers Museum.