Crime and punishment

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John Withington discusses history’s most notorious political killings – from the first known assassination to the plots to kill Franz Ferdinand and JFK. (Image by Getty Images)

Assassinations: from the ancient world to JFK . This is a premium piece of content available to subscribed users.

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Dr Amanda McVitty explains what treason meant in the medieval era, and why its consequences were particularly brutal. (Image by Getty Images)

Why treason was so unforgivable in the Middle Ages . This is a premium piece of content available to subscribed users.

'Pirate queen' Grace O'Malley. (Illustration by Sue Gent for BBC History Revealed)

Grace O’Malley: the fearless pirate queen of Ireland

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The assassination of Julius Caesar

What if… Julius Caesar had not been assassinated? . This is a premium piece of content available to subscribed users.

Picture depicting the Cato Street conspirators

To kill the cabinet: the Cato Street Conspiracy of 1820

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Dr Jenna Dittmar, who has been studying medieval skeletons, reveals what her findings can tell us about injuries and violence in the era. (Image by Getty Images)

Fatal accidents and violent injuries in the Middle Ages . This is a premium piece of content available to subscribed users.

This image from the Nibelungenlied manuscript shows Pilgrim welcoming Kriemhild, a fictional character described as his neice in the text (Photo by Alamy)

The forged texts of the Middle Ages: why Europe’s holy men turned to counterfeiting

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Peter Stothard reveals how Julius Caesar’s assassination triggered a brutal power struggle, one that would transform ancient Rome. (Image by Getty Images)

The hunt for Caesar’s killers . This is a premium piece of content available to subscribed users.

Richard Nixon resigns

Which US presidents have been impeached? A brief history of presidential impeachment

Agatha Christie

Agatha Christie in profile: facts about her life

Queen Victoria

The Victorians and the British Empire: a brief guide and timeline

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What happened when Thomas Becket, was brutally murdered in his cathedral? (Image by Getty Images)

Thomas Becket: from murder to martyrdom . This is a premium piece of content available to subscribed users.

Workers repair Fleet sewer in 1854. London’s creaking sewer network sparked anxieties over what lay beneath the sprawling capital. (Photo by Guildhall Library & Art Gallery/Heritage Images/Getty Images)

Living in fear: the dangers of Victorian London

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Trevor Barnes details the 1960s operation to uncover the infamous Portland Spy Ring – one of the most dangerous KGB espionage networks ever to operate in the UK. (Image by Getty Images)

Hunting down the Portland Spy Ring . This is a premium piece of content available to subscribed users.

Georg Elser, a little-known carpenter-turned-assassin whose daring attempt to kill Hitler almost succeeded

Georg Elser: the man who nearly assassinated Hitler