20th Century - Getty Images

20th Century

Rebellion and terrorism. This is a premium piece of content available to subscribed users.

A bus makes its way down Fleet Street towards Ludgate Hill Circus and St Paul's Cathedral, London, c1888. (Photo by London Stereoscopic Company/Hulton Archive/Getty Images)

A history of the high street

American author Samuel Langhorne Clemens (1835-1910) who wrote under the pseudonym of Mark Twain, standing outside on a porch. (Photo by Time Life Pictures/Mansell/The LIFE Picture Collection/Getty Images)

Mark Twain: America’s historical conscience?. This is a premium piece of content available to subscribed users.

A 'poster parade' of Ealing suffragettes advertising a meeting to be held on Ealing Common, 1 June 1912. (Photo by Museum of London/Heritage Images/Getty Images)

9 historical sites linked to the suffragettes movement. This is a premium piece of content available to subscribed users.

Dandy Gandhi to naked Fakir: the Indian leader's revolutionary dress code. This is a premium piece of content available to subscribed users.

My history hero: Philip Pembroke Stephens (1903–37). This is a premium piece of content available to subscribed users.

British soldier, explorer and big game hunter Frederick Selous, pictured in 1914. (Photo by Topical Press Agency/Hulton Archive/Getty Images)

The hunter who became a naturalist. This is a premium piece of content available to subscribed users.

The Alfred Jewel: gold, rock, crystal and enamel

Objects of affection

Sunbathers enjoy some fun and games at a tennis court near a lido at Castle Mill, Cheshire, August 1936

The 1930s: When the future looked bright. This is a premium piece of content available to subscribed users.

Broadcaster Simon Mayo

My history hero: William Trevelyan Richards. This is a premium piece of content available to subscribed users.

Transport minister Ernest Marples on a road bridge near the London end of the newly opened M1 motorway, 2 November 1959. (Photo by George W. Hales/Fox Photos/Getty Images)

The first day on the M1. This is a premium piece of content available to subscribed users.

Youth culture and crime: what can we learn from history?

Hampton Court and the Amritsar massacre. This is a premium piece of content available to subscribed users.

Attenborough on Darwin. This is a premium piece of content available to subscribed users.

New US citizens celebrate after taking the oath at a US District Court for the Central District of California naturalisation ceremony, 2007. (Photo by Anne Cusack/Los Angeles Times via Getty Images)

Simon Schama on American history. This is a premium piece of content available to subscribed users.

Ernesto 'Che' Guevara

Walking with Che Guevara. This is a premium piece of content available to subscribed users.

An engraving showing chimneys emitting smoke during the Industrial Revolution

Can history help halt the runaway train?. This is a premium piece of content available to subscribed users.

Civil rights leader Martin Luther King

Martin Luther King: A drum major for justice. This is a premium piece of content available to subscribed users.

My history hero: Hubert Butler (1900–1991). This is a premium piece of content available to subscribed users.

Scout Troop

Baden-Powell, Scouting and the British empire. This is a premium piece of content available to subscribed users.

The members of Captain Scott's ill-fated expedition to the South Pole. (Photo by Bettmann via Getty Images)

Scott of the Antarctic: a true British hero?. This is a premium piece of content available to subscribed users.

Alien spaceship landing on rural road

The secret search for aliens. This is a premium piece of content available to subscribed users.