Before the informations of the modern earth science humanbeing had no idea where took place salt.He tried to find salt up to the 20. Century.Throughout history salt was very valuable that soldiers and workers in some of the countries received their salary as salt.

First of the Great Roman Empire’s road was built not only for the Roman but also for the peninsula.China,Roman,France,Venice,Habsburg and some other governments put the salt tax.

The oldest inscribed source on the production of salt in China belongs to 800 BC. The document includes informations about salt production in Xia dinasty.Salt was in China source of incomes for years.

Writer Kurlansky indicades that the first civilization,hiding salted meat and salted fish is Egyptian.According to the documents which belongs to ancient history,there was salted fish and salted bird meat in the graves of ancient Egyptians in Nile Delta and according to the research, Egyptians produced salt evaporating the sea water.