The history of the United Kingdom begins in 1707 with the Treaty of Union and Acts of Union. The core of the United Kingdom as a unified state … See more

Victoria ascended the throne in 1837 at age 18. Her long reign until 1901 saw Britain reach the zenith of its economic and political power. Exciting new technologies such … See more

Historian Arthur Marwick sees a radical transformation of British society resulting from the Great War, a deluge that swept away many old attitudes and brought in a more equalitarian … See more

Britain had won the war, but it lost India in 1947 and nearly all the rest of the Empire by the 1960s. It debated its role in world affairs and joined the United Nations in 1945, NATO in 1949, and became a close ally of the United States. Prosperity returned in the … See more

Union with Ireland
On 1 January 1801, the first day of the 19th century, the Great Britain and Ireland joined to form the See more

Prime Ministers from 1900 to 1945: Marquess of Salisbury, Arthur Balfour, Henry Campbell-Bannerman, H. H. Asquith See more

The King declared war on Nazi Germany in September 1939, after the German invasion of Poland. During the quiet period of "phoney war", the British sent to France the most highly … See more