20th Century - Getty Images

20th Century

Richard Nixon at the White House with his family following his resignation as president, 9 August 1974. (Photo by Keystone/Hulton Archive/Getty Images)

Richard Nixon's final address: the day the president departed the White House. This is a premium piece of content available to subscribed users.

Composer and conductor Igor Stravinsky rehearses with the BBC Symphony Orchestra ahead of a concert to be broadcast on the Third Programme, 1958

BBC at 100The Third Programme: a cultural institution. This is a premium piece of content available to subscribed users.

England's Daley Thompson during the high jump event of the decathlon at the 1978 Commonwealth Games in Emonton, Canada

A brief history of the Commonwealth Games

First World War poets: everything you wanted to know. This is a premium piece of content available to subscribed users.

Stalingrad: a soldier’s testimony. This is a premium piece of content available to subscribed users.

The presenters of the recently launched BBC Radio 1 assemble for a group photo outside Broadcasting House, 1967. (Photo by Robert Stiggins/Express/Hulton Archive/Getty Images)

BBC at 100Sounds of the Sixties. This is a premium piece of content available to subscribed users.

In a photograph taken at Bishop's Stortford railway station in Hertfordshire, 1972, resettled Ugandan Asians wait for the train that will take them to their new home. (Photo by Alamy)

Fleeing Idi Amin: the long journey to a new life. This is a premium piece of content available to subscribed users.

Gone with the Wind: how a 1936 novel explains modern America. This is a premium piece of content available to subscribed users.

David Attenborough with mountain gorillas in Rwanda, in a famous scene from 1979’s Life on Earth

BBC at 100The rise of natural history television and David Attenborough. This is a premium piece of content available to subscribed users.

Oscar Wilde with Lord Alfred Douglas in 1893

From Oscar Wilde to David Irving: 9 landmark libel & defamation cases through history. This is a premium piece of content available to subscribed users.

African-American double act Buck and Bubbles (Ford L Washington and John W Sublett) were part of a coterie of entertainers of colour broadcast on the BBC in the 1930s (Photo by UPI/Bettmann via Getty Images)

BBC at 100Mirroring Multicultural Britain. This is a premium piece of content available to subscribed users.

Stalin’s library: inside the mind of a dictator. This is a premium piece of content available to subscribed users.

Rosalind Franklin as seen in a 1956 photo

Why we should remember…Rosalind Franklin’s pioneering scientific career. This is a premium piece of content available to subscribed users.

The partition of India: everything you wanted to know. This is a premium piece of content available to subscribed users.

Episode 7Scandals break. This is a premium piece of content available to subscribed users.

Sir Graham Brady (centre), chairman of the 1922 Committee, announces that Theresa May has survived an attempt by Tory MPs to oust her as party leader with a motion of no confidence

1922 CommitteeWhy are the Tory 'men in grey suits' so influential?. This is a premium piece of content available to subscribed users.

Paratroopers over Dien Bien Phu

Dien Bien Phu: the battle that split Vietnam

Count von Stauffenberg

Why we should remember…The plot to assassinate Hitler and install a new German government. This is a premium piece of content available to subscribed users.

The first Vietnam War. This is a premium piece of content available to subscribed users.

An emu stares into the camera

Q&AWhat was the Emu War?

A painting showing a man and woman side by side with somber expressions. The man holds a pitchfork.

What great paintings sayAmerican Gothic By Grant Wood, 1930. This is a premium piece of content available to subscribed users.

The origins of the Conservative Party can be traced to the ‘Tory’ group in parliament which emerged in the last quarter of the 17th century and, led by Lord Bolingbroke (pictured) and Robert Harley, held power during the final years of Queen Anne’s reign. (Photo by Culture Club/Getty Images)

Why are they called Tories?A brief history of the Conservative Party. This is a premium piece of content available to subscribed users.

Ross Kemp and Jesse Owens

My history heroRoss Kemp chooses Jesse Owens. This is a premium piece of content available to subscribed users.

Marie Tharp stands at a table, drawing her map of the Atlantic Ocean's floor

15 minutes of fameJerry Brotton chooses Marie Tharp. This is a premium piece of content available to subscribed users.

A black-and-white photograph of men walking down a road lined with shops. They are armed with guns

The Irish Civil War: 100 years on. This is a premium piece of content available to subscribed users.

Britain’s century of political nightmares. This is a premium piece of content available to subscribed users.

Newspaper front page with headline 'Gen. Ramey Empties Roswell Saucer'

Why we should rememberThe Roswell Incident. This is a premium piece of content available to subscribed users.

15 minutes of fameRana Mitter chooses Tsiang Tingfu. This is a premium piece of content available to subscribed users.

Laura Mvulu and Thelonius Monk

My history heroLaura Mvula chooses Thelonious Monk. This is a premium piece of content available to subscribed users.

Montage of five British prime ministers: David Lloyd George, Neville Chamberlain, Anthony Eden, James Callaghan and Margaret Thatcher

Prime ministersFive of the greatest downfalls of the past 100 years. This is a premium piece of content available to subscribed users.