Referendums related to the European Union by 51.9% to leave the European Union. Greenland, an autonomous territory of Denmark, voted to leave the EC in a referendum in 1982 by 53% of voters. In 1972, four countries held referendums on the subject of the 1973 enlargement of the European Communities. Denmark, Ireland, and the United Kingdom were admitted as members of the EC, acceding on 1 January 1973. Two referendums were held in EU countries to permit them to ratify the Single European Act. In 1994, four countries, and one dependency, held referendums on membership of the EU, resulting in the 1995 enlargement of the European
Greenland southwest across Baffin Bay, and Iceland, east of Greenland in the Atlantic Ocean. Greenland also contains the world's largest national park, and it is the largest dependent territory by area in the world, as well as the fourth largest country subdivision in the world, after Sakha Republic in Russia, Australia's state of Western Australia, and Russia's Krasnoyarsk Krai, and the largest in North America. The average daily temperature of Nuuk, Greenland varies over the seasons from . The total area of Greenland is (including other offshore minor islands), of which the Greenland ice sheet covers (81%) and has a volume