Osu Castle

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This article is about a castle in Ghana formerly known as Christiansborg. For the Dano-Norwegian castle in Denmark, see Christiansborg Castle.
Osu Castle
Part of Danish Gold Coast
Christiansborg Castle (also known as Osu Castle) 2.jpg
Osu Castle
Osu Castle is located in Ghana
Osu Castle
Osu Castle
Site history
Built 1661 (1661)
Garrison information
Occupants Denmark-Norway (1660)
A view of the Osu Castle from the lighthouse in Jamestown, Accra



A contemporary drawing of the Dano-Norwegian fort, Fort Christiansborg, now Osu Castle. The outpost to the right is Fort Prøvestenen.

The area was first occupied in 1550 by the Portuguese, though in the 17th-century Portuguese influence diminished. The area came under the control of Sweden in the 1650s, led by the Dutch trader Henry Caerlof. In 1652, he was given permission to build a small fortified lodge by the King of Accra, with whom he had previously done business. In 1660, control passed to the Netherlands but it was soon lost to Denmark-Norway. In 1657, Caerlof had again traveled to Africa, this time representing Denmark-Norway. He aimed to conquer the forts he had previously established, which he found easy at Osu.[2] In its early life, the castle was primarily used in the gold and ivory trade, but under Dano-Norwegian control it increasingly dealt with slaves.[1]

Osu Castle was located close to two other forts. Fort Crèvecoeur was controlled by the Dutch and Fort James by the British. The settlement at Osu was too small to store sufficient goods to compete with the others. Consequently, Denmark-Norway purchased adjoining land and expanded the building, naming it Fort Christiansborg after the reigning King Christian V of the German House of Oldenburg.[1] Denmark-Norway would occupy the fort for most of the next 200 years, with some interruptions, and for much of that time it served as the capital of the Gold Coast of Denmark-Norway.[3]

In 1679 or 1680, the fort's Greek assistant commander Bolten incited a mutiny to murder the commander. Shortly after that, a Portuguese ship commanded by Julião de Campos Barreto visited the fort and agreed to purchase it. The fort was named Fort São Francisco Xavier after the Catholic missionary Francis Xavier. The Portuguese built a chapel and raised the bastions by three feet. The fort was abandoned on 29 August 1682 after the garrison mutinied and it became clear that Portuguese traders could not compete with the other Gold Coast powers. Danish forces returned in February 1683 after purchasing the fort back from the Portuguese. In 1685, Fort Christiansborg became the capital of the Gold Coast of Denmark-Norway, taking over from Fort Frederiksborg.[4]

The Akwamu ethnic group occupied the fort in 1693 after overpowering the occupants (who were reduced by death and disease) while disguised as merchants. Asamani, the Akwamu leader, occupied the fort for a year, trading with merchants from many nations. In 1694, Assameni sold the fort back to Denmark-Norway for 50 marks of gold (400 troy ounces, worth £200,000 to £250,000 in 2008) but retained the keys, which are still in the ethnic group's possession to this day.[1][4] The early 18th century was not kind to the fort, and in 1722 the English reported it to be in disrepair. Extensions were made later that century, however, and structural improvements were made in 1824. The additional store rooms, garrison quarters, platforms, bastions and houses resulted in the castle being four times the size of the original fort.[1][5] In the 1770s, the Danes at Osu became involved in a conflict with Dutch-controlled Accra.[6]

In 1850, the British bought all of Denmark's Gold Coast possessions for £10,000 (between £850,000 and £1.5m in 2007), including Fort Christiansborg. Denmark had been considering selling these outposts for some time. After the slave trade had been abolished they were expensive to run and brought little benefit. Britain experienced the same problems, but was keen to prevent illegal slave trading and to prevent France or Belgium strengthening in the area.[7] An 1862, earthquake destroyed most of the upper floors, which were rebuilt in wood. Later that century, the castle became the seat of the colonial government. In 1950, the wooden upper floors were rebuilt according to the original Danish plans.[1] In 1957, when Ghana became independent, with Queen Elizabeth II as head of state, the fort became Government House, the residence of the Governor-General. When Ghana became a republic in 1960, it became the residence of Ghana's first president, Kwame Nkrumah.[8]

In 2005, there was debate over whether Osu Castle should be replaced as the seat of government. President John Kufuor argued that his government should not sit at the castle due to its previous association with slavery and also because its facilities were inadequate. National Democratic Congress MPs, however, argued that the $50 m that a new presidential palace would cost would be better spent elsewhere.[9]


A 1948 stamp of Gold Coast (modern Ghana) showing the castle under its former name.

Osu Castle remains the seat of government in Ghana, employing 2,100 workers. The most important functions are carried out in the castle itself, but other buildings are also used. Many international dignitaries have visited the castle while in the region, including U.S. Presidents Richard Nixon, Bill Clinton, and Barack Obama and German Chancellor Gerhard Schröder. Additional rooms were built in order to accommodate Queen Elizabeth II's visit in 1961, one year after Ghana became a republic.[1]

The present castle is made up of various extensions to the original and is thus in an unorthodox shape. It has many facilities for the use of employees, including a clinic, cafe, shopping centre, and a post office. It also still accommodates a permanent garrison. The extensive gardens feature a wide variety of plants, both local and imported, and employ 30 people. They are used for the president's outdoor receptions and parties.[1] Osu Castle is not open to the public, and photography of it is restricted. In 2007, the opposition Ministers of Parliament (MPs) in Ghana (the National Democratic Congress, NDC stormed out of a parliamentary debate on whether to take out a $50m loan to build a new presidential palace. MPs from President John Agyekum Kufuor's New Patriotic Party voted unanimously in favour of taking the loan from India. They argued that the president should not be based in Osu Castle, where slaves used to be kept. The opposition National Democratic Congress said the money would be better spent such as improving the economy and helping promote the Better Ghana Agenda. This led to the then general secretary to the opposition NDC to describe the new flagstaff house as a "hen coop only fit for rearing chicken" The old Flagstaff House used by Ghana's first president as residence is being renovated into a museum, with the grounds on which it stands being built up as an ultra-modern office complex and residence for the president and vice-president of Ghana as well as their staff.

References and sources[edit]

  1. ^ a b c d e f g h ghanacastle.gov.gh
  2. ^ van Dantzig and Priddy, pp. 18–21.
  3. ^ worldstatesmen.org
  4. ^ a b van Dantzig and Priddy, p. 22.
  5. ^ van Dantzig and Priddy, p. 24.
  6. ^ van Dantzig and Priddy, p. 39.
  7. ^ van Dantzig and Priddy, p. 49.
  8. ^ "shoutghana.com". Retrieved 2007-02-07. 
  9. ^ BBC News: Ghana in presidential palace row.
  • Albert van Dantzig and Barbara Priddy, A Short History of the Forts and Castles of Ghana (Accra: Liberty Press, 1971).

External links[edit]

Coordinates: 5°32′49″N 0°10′57″W﻿ / ﻿5.54694°N 0.18250°W﻿ / 5.54694; -0.18250