The United Kingdom of Great Britain and Ireland was formed by the union of the Kingdom of Great Britain and the Kingdom of Ireland in 1800. The union was facilitated by the decision of the Irish Parliament, in Dublin, in August 1800, to vote in favor of the union passing the Union Act of 1800.

The Kingdom of Great Britain was created on May 1, 1707, as a result of the political union of the Kingdom of England and the Kingdom of Scotland under the Treaty of Union. This allowed the two kingdoms to be combined into one, Queen Anne became the first monarch of the new Great Britain. Scottish and English law remained separate,...

Britain entered World War I with Herbert Henry Asquith of the Liberal Party as Prime Minister. Asquith declared war on the German Empire on August 4, 1914, in response to demands for military passage forced into Belgium by Germany, and the completion of Britain's own ultimatum that day. Britain's reasons for declaring war were complex: the London...

The British transatlantic industry found itself in the eye of the storm before the whole world with the eminent failure of the Olympic-class flagships; from the White Star Line:

The Industrial Revolution unfolded in England before any other European nation, with new inventions: hydraulic lines, steam engines, iron plows, locomotives, vaccines, etc., transforming the medieval way of life. However, social groups were influenced by this revolution unevenly.

The United Kingdom acceded to the European Economic Community, commonly referred to by the British as the "Common Market", on January 1, 1973, in 1974 with the aim of renegotiating the terms of membership of the United Kingdom. Finally, in 1975 it was celebrated the stay of the United Kingdom in the European Communities.