20th Century - Getty Images

20th Century

Members of the Ku Klux Klan march down Pennsylvania Avenue in Washington DC in 1925. The Klan of this era was a terrorist group in the precise meaning of that term, says Linda Gordon. (Photo by Topical Press Agency/Getty Images)

When the Ku Klux Klan was a mass movement

Princess Margaret wearing a fur coat

Princess Margaret: from glamorous royal to a slide into tragedy

British writer Roald Dahl

Second World War

Roald Dahl11 things you might not know about the children's author

President John F Kennedy, First Lady Jacqueline Kennedy and Texas governor John Connally ride through the streets of Dallas

The assassination of JFK: an eyewitness account

The queen's visit to the Welsh village of Aberfan

“No match for reality”: the missing history in The Crown series three

The 1969 documentary was made amid a feeling that there was an increasing awareness of a need to ‘sell’ the monarchy to the people, writes historian Sarah Gristwood. (Photo by Hulton Archive/Getty Images)

‘Royal Family’: the fly-on-the-wall documentary the Palace doesn’t want you to see

Queen Elizabeth II invests her eldest son, Prince Charles

Charles, The Prince of Wales’s 1969 investiture at Caernarfon Castle, 50 years on

Chinese propaganda poster, c1969. (Photo by Getty images)

Maoism. This is a premium piece of content available to subscribed users.

Sir Anthony Blunt, British art historian and Surveyor of the Queen's Pictures

Who was Sir Anthony Blunt and the Cambridge Five? Plus 4 others who spied for the Soviets

The War of the Worlds. (Photo by BBC/© Mammoth Screen)

Days of future past: how the new BBC TV series The War of the Worlds reinvented the sci-fi classic

Actress Sarah Bernhardt, who was personally invited by Oscar Wilde to play the title role in the upcoming London premiere of his play, 'Salomé'.

6 of London theatre’s most notable historical scandals

11th November 1918: An army lorry in a London street on Armistice Day, carrying jubilant passengers. (Photo by Topical Press Agency/Getty Images)

11 November 1918: The day the world turned upside down

A British officer stands alongside two of his Japanese counterparts in 1914 in Tsingtao (now Qingdao). Japanese troops played a key role in the capture of that strategic German concession in north-east China. (Photo by Getty Images)

First World War: beyond the western front

The rise and fall of the Berlin Wall. This is a premium piece of content available to subscribed users.

Princess Elizabeth (later Queen Elizabeth II) and her fiance, Philip Mountbatten at Buckingham Palace, after their engagement was announced, 10th July 1947. (Photo by Topical Press Agency/Hulton Archive/Getty Images)

Prince Philip as consort: a life of duty and devotion

East Germans crowd around and on the Berlin Wall the day after the gates opened for free movement in 1989

What happened after the fall of the Berlin Wall?

A ‘Trabi’ – the classic East German Trabant 601 car

The cost of unity: Ian Kershaw on the fall of the Berlin Wall

A c1860 depiction of Wentworth Works steel manufacturer in Sheffield

Why Britain punched above its weight

6 novels that captured life in Britain

A man attacks the Berlin Wall with a pickaxe on the night of November 9th, 1989 as news spread rapidly that the East German Government would now start granting exit visas to anyone who wanted to go to the West. The announcement was misinterpreted as meaning the border was now open and East German border guards were unable to stop the rush of people to the Wall. Within hours people were smashing sections of the Wall with their own hand tools and these first cracks in the Wall led to the complete opening of the border within days. (Photo by robert wallis/Corbis via Getty Images)

In pictures: remembering the Berlin Wall 30 years on

Britons. Join Your Country's Army! (Photo by Alfred Leete/ Imperial War Museums via Getty Images)

The death of Kitchener: a World War One mystery. This is a premium piece of content available to subscribed users.

A fruit and vegetable market, painted by Joachim Beuckelaer.

A brief history of veganism in Britain

Britain in the early 80s. This is a premium piece of content available to subscribed users.

1st May 1975: Three documents, for and against, published for the referendum on the Common Market

Britain decides: the first European referendum

Princess Margaret and her husband, Lord Snowdon, in San Francisco during a visit to America, November 1965. (Photo by Harry Benson/Express/Getty Images)

“Cheap men and expensive bottles”: Princess Margaret’s love affairs

Scores of people milled about the entrance to the Stock Exchange on 24 October 1929, as the market went through the greatest shake up in its history. It was a light tremor heralding the earthquake to come. (Photo by NY Daily News Archive via Getty Images)

The Wall Street Crash: the day the bubble burst

Extinction Rebellion take over Trafalgar Square, London, in protest on 16 October 2019. (Photo by Mike Kemp/In Pictures via Getty Images)

From William Wordsworth to Extinction Rebellion: a history of Britain's green activists

Peter Hennessy on Britain in transition. This is a premium piece of content available to subscribed users.

The trial of Lady Chatterley’s Lover: how the 'obscene' book caused a moral storm

Margaret Thatcher surrounded by British soldiers of the 1st Battalion, Royal Hampshire Regiment, during a surprise visit to the Falkland Islands, January 1983. Britain has "ceased to be a nation in retreat," declared the prime minister in the wake of the victory over Argentine forces.

How the Falklands War fired up Britain