Christiansborg (Accra/Osu: 1658 – April 1659, 1661 – Dec 1680, February 1683 – 1693, 1694–1850) Fort Augustaborg (Teshie: 1787 – March 1850) Fort Prinzenstein (Keta: 1780 – 12 March 1850) Fort Kongenstein (Ada: 1784 – March 1850) Fort Carlsborg (February 1658 – 16 April 1659, 22 April 1663 – 3 May 1664) Fort Frederiksborg (Amanful or Amanfro: 1659 – 16 April 1685) Fort William (Ghana) in Anomabu (1657–1659) Small base near Ningo from 1784 to 1850 Asia Denmark maintained a scattering of small colonies and trading posts throughout the Indian sub-continent from the 17th to 19th centuries, after which most were sold or ceded to Britain which had become the dominant power there. The most important economic aspect was spice trade and access to the east Asian area, including Imperial China situated farther to the east. Tranquebar (1620–1845) The colony at (modern day: Tharangambadi) was kept for over 200 years, with a few interruptions, until it was sold to the British in 1845. Serampore (1755–1845) In 1755, Denmark acquired the (now Serampore), and later the towns of Achne and Pirapur. They are located about north of Kolkata (formerly Calcutta). In 1818, Serampore College was established in Serampore, which still exists today. These towns were also sold to Britain in 1845. Nicobar Islands (1756–1848/1868) There were also colonization attempts of the Nicobar Islands, called ("Frederik Islands") or ("New Denmark") by the Danes between 1754 and 1868. Europe Iceland (1536/1814–1944) As with Greenland and the Faroe Islands, Norwegian claims to Iceland were inherited by Denmark–Norway. Also like those possessions, Iceland was retained by Denmark at the Treaty of Kiel. A growing independence movement in Iceland led to Denmark granting it home rule in 1874 and expanding that home rule in 1904. In 1918, Iceland became a fully sovereign kingdom, titled the "Kingdom of Iceland", in personal union with Denmark. During Nazi Germany's occupation of Denmark from 1940 to 1945, the Republic of Iceland was declared on 17 June 1944 after the result of a referendum. Faroe Islands (1536/1814–present) As with Greenland, Denmark–Norway inherited the medieval Norwegian claims to the Faroe Islands as the successor state to Norway. The Faroes had become part of the Kingdom of Norway in 1035. After Norway was given to Sweden after the Napoleonic Wars, Denmark retained the Faroes as a condition of the Treaty of Kiel. The Faroe Islands were incorporated into Denmark in 1851 with the