Medieval salt production industry

Timeline

1. c. -1000–500Eastern Mediterranean coast · MediterraneanPhoenicians, Greeks, and Romans controlled coastal salt pans and salt mines, supplying cities and armies with sun-dried and boiled salt; salt routes connected Egypt, Italy, and Gaul.
2. c. 1020–1301Hanseatic salt routes · GermanyThe Lüneburg salt mine and coastal salt pans supplied northern and central Europe; Hanse merchants transported salt along salt routes to the Baltic and inland, with salt profits supporting the commercial networks of city leagues.
3. 1301–1601West coast of France · FranceFrance's gabelle salt tax system brought the salt industry under state monopoly; coastal salt pans and inland salt mines were controlled by royal chartered rights, and salt taxes became an important revenue source for early modern state-building.
4. 1801Salt-producing regions worldwide · WorldwideMechanized salt harvesting, vacuum evaporation, and chemical co-production shifted salt from handicraft to large-scale industry; iodized salt and global logistics made salt a cheap bulk commodity, while traditional salt pans survive as cultural heritage and ecological industry.