Delta Works was completed by the Europoortkering which required the construction of the Maeslantkering in the Nieuwe Waterweg between Maassluis and Hoek van Holland and the Hartelkering in the Hartel Canal near Spijkenisse. The works were declared finished after almost forty years in 1997. In reality the works were finished on 24 August 2010 with the official opening of the last strengthened and raised retaining wall near the city of Harlingen, Netherlands. Due to climate change and relative sea-level rise, the dikes will eventually have to be made higher and wider. This is a long term uphill battle against the sea. 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