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
Air Greenland need to make more than one flight for each connection to a fixed-wing flight because of passenger capacity, causing longer total travel time. Air Greenland also performs charter flights within Europe on behalf of European travel agencies using its Airbus A330. In 2015, the decision voted by Greenland's governments to extend the runways of Nuuk and Ilulissat airports directly threatened the purpose of Air Greenland's single widebody aircraft. The A330 was only used from Pituffik and Kangerlussuaq to Copenhagen Kastrup, but in January 2017, Air Greenland had announced more commercial routes to be covered by the aircraft between Iceland and