England and Scotland were leading centres of the Scientific Revolution from the 17th century. The United Kingdom led the Industrial Revolution from the 18th century, and has continued to produce scientists and engineers credited with important advances. Major theorists from the 17th and 18th centuries include Isaac Newton, whose laws of motion and illumination of gravity have been seen as a keystone of modern science; from the 19th century Charles Darwin, whose theory of evolution by natural selection was fundamental to the development of modern biology, and James Clerk Maxwell, who formulated classical electromagnetic theory; and more recently Stephen Hawking, who advanced major theories in the fields of cosmology, quantum gravity and the investigation of black holes.
The rise of Irish nationalism, and disputes within Ireland over the terms of Irish Home Rule, led eventually to the partition of the island in 1921. The Irish Free State became independent, initially with Dominion status in 1922, and unambiguously independent in 1931. Northern Ireland remained part of the United Kingdom. The 1928 Act widened suffrage by giving women electoral equality with men. A wave of strikes in the mid-1920s culminated in the General Strike of 1926. Britain had still not recovered from the effects of the war when the Great Depression (1929–1932) occurred. This led to considerable unemployment and hardship in the old industrial areas, as well as political and social unrest in the 1930s, with rising membership in communist and socialist parties. A coalition government was formed in 1931.
More InfoThe British armed forces played a key role in establishing the British Empire as the dominant world power in the 18th, 19th and early 20th centuries. By emerging victorious from conflicts, Britain has often been able to decisively influence world events. Since the end of the British Empire, the UK has remained a major military power. Following the end of the Cold War, defence policy has a stated assumption that "the most demanding operations" will be undertaken as part of a coalition. UK military operations in Bosnia, Kosovo, Afghanistan, Iraq and Libya, have followed this approach. Setting aside the intervention in Sierra Leone in 2000, the last occasion on which the British military fought alone was the Falklands War of 1982.
More InfoSince the 1980s, UK economic inequality, like Canada, Australia and the United States, has grown faster than in other developed countries. The poverty line in the UK is commonly defined as being 60 per cent of the median household income. The Office for National Statistics has estimated that in 2011, 14 million people were at risk of poverty or social exclusion, and that one person in 20 (5.1 per cent) was experiencing "severe material depression", up from 3 million people in 1977. Although the UK does not have an official poverty measure, the Joseph Rowntree Foundation and the Social Metrics Commission estimate, based on government data, that there are 14 million people in poverty in the UK. 1.5 million people experienced destitution in 2017. In 2018, the UN Special Rapporteur on Extreme Poverty and Human Rights visited the UK and found that government policies and cuts to social support are "entrenching high levels of poverty and inflicting unnecessary misery in one of the richest countries in the world." His final 2019 report found that the UK government was doubling down on policies that have "led to the systematic immiseration of millions across Great Britain" and that sustained and widespread cuts to social support "amount to retrogressive measures in clear violation of the United Kingdom’s human rights obligations."
More InfoIn the final quarter of 2008, the UK economy officially entered recession for the first time since 1991. Following the likes of the United States, France and many major economies, in 2013, the UK lost its top AAA credit rating for the first time since 1978 with Moodys and Fitch credit agency, but, unlike the other major economies, retained its triple A rating with Standard & Poor's. By the end of 2014, UK growth was the fastest in both the G7 and in Europe, and by September 2015, the unemployment rate was down to a seven-year low of 5.3 per cent.
More InfoThe UK is a permanent member of the United Nations Security Council, a member of NATO, the Commonwealth of Nations, the G7 finance ministers, the G7 forum (previously the G8 forum), the G20, the OECD, the WTO, the Council of Europe and the OSCE. The UK is said to have a "Special Relationship" with the United States and a close partnership with France – the "Entente cordiale" – and shares nuclear weapons technology with both countries; the Anglo-Portuguese Alliance is considered to be the oldest binding military alliance in the world. The UK is also closely linked with the Republic of Ireland; the two countries share a Common Travel Area and co-operate through the British-Irish Intergovernmental Conference and the British-Irish Council. Britain's global presence and influence is further amplified through its trading relations, foreign investments, official development assistance and military engagements. Canada, Australia and New Zealand, all of which are former colonies of the British Empire, are the most favourably viewed countries in the world by British people, sharing a number of close diplomatic, military and cultural ties with the UK.
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