10 most difficult United Kingdom riddles

Sadiq Khan is a British politician of the Labour Party serving as Mayor of London since 2016, succeeding Conservative Party mayor Boris Johnson. He is also London's first ethnic minority mayor.

The Britannica is the oldest English-language encyclopaedia still being produced (currently only in the online version). It was first published between 1768 and 1771 in Edinburgh, Scotland. In 1901, after it was taken over by an American firm, the Britannica shortened and simplified articles to broaden its appeal in the North American market. Although publication has been based in the United States since 1901, the Britannica has largely maintained British spelling.

The death toll is traditionally thought to have been small, as only six verified deaths were recorded. This reasoning has recently been challenged on the grounds that the deaths of poor and middle-class people were not recorded.

Until about 14,000 years ago, Great Britain was joined to Ireland, and as recently as 8,000 years ago it was joined to the continent by a strip of low marsh leading to what are now Denmark and the Netherlands. Great Britain became an island at the end of the last glacial period when sea levels rose due to the combination of melting glaciers and the subsequent isostatic rebound of the crust.

Sweyn Forkbeard the King of Denmark and Norway in 1013 after many tries finally has conquered British soil and announced himself as the King of England. Another Vikings that became the King of England were his son Cnut and William the Conqueror.

RMS was used for seagoing vessels that carried mail under contract to the British Royal Mail. Having the title "RMS" was seen as a mark of quality and a competitive advantage, because the mail had to be on time. Today, some modern ships like RMS Queen Mary 2 also use "RMS", as a gesture to Cunard's history.

Following the defeat of the Parliament army at the battle of Worcester in 1651, the future king of England, Charles II Stuart sought hideaway on an oak to save himself from Cromwell's soldiers.

Robert Walpole was a British statesman who is generally regarded as the de facto first Prime Minister of Great Britain. With his uninterrupted run of 20 years, he also holds the record as the longest-serving British prime minister in history.

Dominions were semi-independent polities under the British Crown, constituting the British Empire, beginning with the Canadian Confederation in 1867. They included Canada, Australia, New Zealand, Newfoundland, South Africa, and the Irish Free State, and then from the late 1940s also India, Pakistan, and Ceylon (now Sri Lanka).

Blavod (blah-VOD) is a black British vodka. The brand was first launched in 1998 and is marketed on its unique black colour that derives from Catechu, an extract from the heartwood of Burmese catechu acacia trees. Catechu does not interfere with the characteristics of the vodka, imparting no additional flavour or odour and leaving no stains.