First introduced in 1836.
Strong beerw were banned in Sweden 1920-1956 and the beer was changed to 3.5% alcohol.
The 5.5% original recipe was re-introduced in 1985 as a beer fermented with both top and bottom yeast.
In 1993, the yeast was changed to a single bottom-fermenting strain.
In 2009, the label design and name was changed from "Carnegie Stark-Porter" to "Carnegie Porter".