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Union of Crowns: James VI of Scotland becomes James I of England, uniting the crowns of Scotland and England.
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English Civil War between Royalists and Parliamentarians.
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King Charles I is executed, leading to the establishment of the Commonwealth under Oliver Cromwell.
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The monarchy is restored under Charles II after the Interregnum.
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Acts of Union merge the Kingdom of England and the Kingdom of Scotland to form the Kingdom of Great Britain.
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Seven Years' War, a global conflict involving European powers, including Britain.
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American Revolution begins, leading to the eventual loss of Britain's American colonies.
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Acts of Union merge Great Britain and the Kingdom of Ireland to form the United Kingdom of Great Britain and Ireland.
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Battle of Trafalgar, a decisive British naval victory during the Napoleonic Wars.
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Slavery Abolition Act passed, abolishing slavery throughout the British Empire.
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Reign of Queen Victoria, a period of significant industrial and imperial expansion.
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Charles Darwin's "On the Origin of Species" is published, introducing the theory of evolution.
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World War I, involving the UK and its empire.
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Treaty of Versailles officially ends World War I.
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General Strike in the UK, involving coal miners and other workers protesting for better conditions.
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World War II, during which the UK stands against Nazi Germany.
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End of World War II; Labour Party wins general election, leading to the establishment of the welfare state.
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India gains independence from British rule.
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Queen Elizabeth II ascends to the throne after the death of her father, King George VI.
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Suez Crisis, a diplomatic and military conflict over the nationalization of the Suez Canal.
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Cultural and social changes, including the rise of the Beatles and the Swinging Sixties.
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UK joins the European Economic Community (EEC), the precursor to the European Union.
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Falklands War between the UK and Argentina over the Falkland Islands.
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Devolution referendums lead to the establishment of the Scottish Parliament and the Welsh Assembly.
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House of Lords Act reduces the hereditary peers in the House of Lords.
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Brexit referendum results in a vote to leave the European Union.
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UK officially leaves the European Union on January 31; COVID-19 pandemic impacts the UK and the world.