All times in UTC ·
Dashed edge = started before, or continues beyond, this day
Events on Saturday 21 December 1844 1
1844Rochdale Pioneers open their co-operative shopFounding store of the modern co-operative movementThe Rochdale Society of Equitable Pioneers opened a shop on Toad Lane in Rochdale, Lancashire. Its principles of democratic member control and dividends on purchases became the model for co-operatives around the world.