Zuiderzee Works Zuiderzee Works The Zuiderzee Works () is a man-made system of dams and dikes, land reclamation and water drainage work, in total the largest hydraulic engineering project undertaken by the Netherlands during the twentieth century. The project involved the damming of the Zuiderzee, a large, shallow inlet of the North Sea, and the reclamation of land in the newly enclosed water using polders. Its main purposes are to improve flood protection and create additional land for agriculture. The American Society of Civil Engineers declared these works, together with the Delta Works in the South-West of the Netherlands, as among the
Withdrawal of Greenland from the European Communities withdraw was made after Greenland had achieved self-rule, was made to protect Greenland's rights to its fishing waters and to limit external influence. The Treaty entered into force on 1 January 1985, and on 1 February 1985, Greenland formally withdrew from the European Communities. Withdrawal of Greenland from the European Communities The withdrawal of Greenland from the European Communities took place in 1985. This followed a referendum in 1982 in which 53% voted to leave. The Greenland Treaty was an agreement between the member states of the European Communities, concerning Greenland's exit from the European Communities. It followed the Greenlandic