original: In 1589, salt began to be made in Sunderland.
simplifications: Sunderland salt was made in 1589. In 1589, salt was made in Sunderland. Salt making in Sunderland, started in 1589. In 1589, Sunderland started making salt. They started to make salt in Sunderland In 1589. In 1589, people in Sunderland began making salt. Salt started being made in Sunderland during 1589. Salt production started in Sunderland in 1589. Salt started being made in Sunderland in 1589. Salt began to be produced in Sunderland in 1589.