20th Century

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Changdeokgung Palace in South Korea

Travel Seoul, South Korea: a modern metropolis rising from ruins . This is a premium piece of content available to subscribed users.

Families in a London slum, c1900

From slums to suburbs: Britain’s council house revolution

One of the earliest and most famous examples of extremism comes from ancient Rome. Starting in 264 BC and continuing for more than a century, Rome engaged in a series of wars with neighbouring Carthage. (Photo by Hulton Archive/Getty Images)

A brief history of extremism – from ancient Rome to al Qaeda

Illustration by Davide Bonazzi

Have nuclear weapons helped to maintain global peace?

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(Photo by Westend61/Roman Märzinger/Getty Images)

The Zinoviev Letter conspiracy . This is a premium piece of content available to subscribed users.

Prime ministers Robert Walpole and Boris Johnson

From Walpole to Boris: a brief history of Eton College and the 20 prime ministers it has produced

The Ashes urn, a cricketing trophy

In pictures: The Ashes through history

British Prime Minister Neville Chamberlain passes a Nazi honour guard on his arrival in Germany in 1938, accompanied by Joachim von Ribbentrop (right). (Photo by Ann Ronan Pictures/Print Collector/Getty Images)

9 notable ambassadors in history

10 Downing Street, the residence of the prime minister of the United Kingdom. (Photo by Getty Images)

Who was the best 20th-century prime minister?

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Young people celebrate outside the boarded-up Stonewall Inn after riots over the weekend of June 27, 1969. (Photo by Fred W. McDarrah/Getty Images)

Stonewall and the fight for gay rights . This is a premium piece of content available to subscribed users.

The ‘Surgeon’s Photo’, taken in 1934, which claimed to depict the Loch Ness Monster. (Photo by Keystone/Getty Images)

5 facts about the Loch Ness Monster

(Image courtesy of NASA)

NASA’s unknown Welsh hero: the story of Tecwyn Roberts

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Kendrick Oliver explores the space race that led to the 1969 moon landing and considers the legacy of the momentous events of July 1969. (Photo by NASA/Newsmakers/Getty Images)

The race to the moon . This is a premium piece of content available to subscribed users.

A cartoon showing a man in a suit of armour on the moon

Q&A Did NASA really pick the brains of the Tower of London armoury when designing the first space suits?

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BBC Sky at Night Magazine Where did the Apollo astronauts land on the Moon?