British Empire, a worldwide system of dependencies—colonies, protectorates, and other territories—that over a span of some three centuries was brought under the sovereignty of the crown of Great Britain and the administration of the British government. The policy of granting or recognizing significant degrees of self-government by dependencies, which was favored by the far-flung nature of the empire, led to the development by the 20th century of the notion of a “British Commonwealth,” comprising largely self-governing dependencies that acknowledged an increasingly symbolic British sovereignty. The term Commonwealth was embodied in statute in 1931. Today the Commonwealth includes former elements of the British Empire in a free association of sovereign states.

Origins of the British Empire

Great Britain made its first tentative efforts to establish overseas settlements in the 16th century. Maritime expansion, driven by commercial ambitions and by competition with France, accelerated in the 17th century and resulted in the establishment of settlements in North America and the West Indies. By 1670 there were British American colonies in New England, Virginia, and Maryland and settlements in the Bermudas, Honduras, Antigua, Barbados, and Nova Scotia. Jamaica was obtained by conquest in 1655, and the Hudson’s Bay Company established itself in what became northwestern Canada from the 1670s on. The East India Company began establishing trading posts in India in 1600, and the Straits Settlements (Penang, Singapore, Malacca, and Labuan) became British through an extension of that company’s activities. The first permanent British settlement on the African continent was made at James Island in the Gambia River in 1661. Slave trading had begun earlier in Sierra Leone, but that region did not become a British possession until 1787. Britain acquired the Cape of Good Hope (now in South Africa) in 1806, and the South African interior was opened up by Boer and British pioneers under British control.

Nearly all these early settlements arose from the enterprise of particular companies and magnates rather than from any effort on the part of the English crown. The crown exercised some rights of appointment and supervision, but the colonies were essentially self-managing enterprises. The formation of the empire was thus an unorganized process based on piecemeal acquisition, sometimes with the British government being the least willing partner in the enterprise.

In the 17th and 18th centuries, the crown exercised control over its colonies chiefly in the areas of trade and shipping. In accordance with the mercantilist philosophy of the time, the colonies were regarded as a source of necessary raw materials for England and were granted monopolies for their products, such as tobacco and sugar, in the British market. In return, they were expected to conduct all their trade by means of English ships and to serve as markets for British manufactured goods. The Navigation Act of 1651 and subsequent acts set up a closed economy between Britain and its colonies; all colonial exports had to be shipped on English ships to the British market, and all colonial imports had to come by way of England. This arrangement lasted until the combined effects of the Scottish economist Adam Smith’s The Wealth of Nations (1776), the loss of the American colonies, and the growth of a free-trade movement in Britain slowly brought it to an end in the first half of the 19th century.

The transatlantic trade in enslaved people took on considerable importance to Britain’s colonial economy in the Americas, and it became an economic necessity for the Caribbean colonies and for the southern parts of the future United States. Movements for the end of slavery came to fruition in British colonial possessions long before the similar movement in the United States; the trade was abolished in 1807 and slavery itself in Britain’s dominions in 1833.

Competition with France

British military and naval power, under the leadership of such men as Robert Clive, James Wolfe, and Eyre Coote, gained for Britain two of the most important parts of its empire—Canada and India. Fighting between the British and French colonies in North America was endemic in the first half of the 18th century, but the Treaty of Paris of 1763, which ended the Seven Years’ War (known as the French and Indian War in North America), left Britain dominant in Canada. In India, the East India Company was confronted by the French Compagnie des Indes, but Robert Clive’s military victories against the French and the rulers of Bengal in the 1750s provided the British with a massive accession of territory and ensured their future supremacy in India.

The loss of Britain’s 13 American colonies in 1776–83 was compensated by new settlements in Australia from 1788 and by the spectacular growth of Upper Canada (now Ontario) after the emigration of loyalists from what had become the United States. The Napoleonic Wars provided further additions to the empire; the Treaty of Amiens (1802) made Trinidad and Ceylon (now Sri Lanka) officially British, and in the Treaty of Paris (1814) France ceded Tobago, Mauritius, Saint Lucia, and Malta. Malacca joined the empire in 1795, and Sir Stamford Raffles acquired Singapore in 1819. Canadian settlements in Alberta, Manitoba, and British Columbia extended British influence to the Pacific, while further British conquests in India brought in the United Provinces of Agra and Oudh and the Central Provinces, East Bengal, and Assam.

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