History of the United Kingdom First British Empire. With the defeat by the United States, France and Spain in the War of American Independence, Britain lost its 13 American colonies and rebuilt a Second British Empire based in Asia and Africa. As a result, British culture, and its technological, political, constitutional, and linguistic influence, became worldwide. Politically, the central event was the French Revolution and its Napoleonic aftermath from 1793 to 1815, which British elites saw as a profound threat, and worked energetically to form multiple coalitions that finally defeated Napoleon in 1815. The Tories, who came to power in 1783, remained in power (with
Unilateral declaration of independence Unilateral declaration of independence A unilateral declaration of independence (UDI) is a formal process leading to the establishment of a new state by a subnational entity which declares itself independent and sovereign without a formal agreement with the national state from which it is seceding. The term was first used when Rhodesia declared independence in 1965 from the United Kingdom (UK) without an agreement with the UK. Prominent examples of a unilateral declaration of independence other than Rhodesia's UDI in 1965 include that of the United States in 1776, the Irish Declaration of Independence of 1919 by a revolutionary parliament,