Kings and queens

Marble bust of Emperor Caligula. (DEA / A. DAGLI ORTI/De Agostini/Getty Images)

The 8 bloodiest Roman emperors in history

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Video: 3 of the most famous royal weddings in history

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Sam’s historical recipe corner: Coronation chicken

Left: Prince Charles and Princess Diana on their wedding day. Right: Prince William and Catherine Middleton, the Duchess of Cambridge on their wedding day. (Photo by Chris Jackson/Getty Images)

The 8 most famous royal weddings in British history

A portrait of actress Nell Gwynn, longtime mistress to King Charles II.

From Nell to Meghan: 10 romances between actors and royals

A statue of Anglo-Saxon queen Æthelflæd

Æthelflæd: The woman who crushed the Vikings

Elizabeth Woodville and Edward IV

When royals marry ‘commoners’: a brief history

Engraved portrait of Mary, Queen of Scots. (Smith Collection/Gado/Getty Images).

Kings and Queens in profile: Mary, Queen of Scots

Mary, Queen of Scots and her ladies in waiting. (Hulton Archive/Getty Images)

Mary, Queen of Scots: what happened to her ladies-in-waiting?

Boudica and her daughters stand aloft in a bronze chariot in this statue located on the Thames embankment in London.

Boudica: scourge of the Roman empire

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11 shocking moments in history

Matilda (circa 1031-1083) was Queen Consort of William the Conqueror. (Photo by The Print Collector/Getty Images)

Norman women: the power behind the thrones

Edward II. (Popperfoto/Getty Images)

Kings and Queens in profile: Edward II

Britain's Prince William and Kate, Duchess of Cambridge, make the journey by carriage procession to Buckingham Palace following their wedding ceremony on April 29, 2011 in London. (Image by Matt Cardy/AFP/Getty Images)

Kate Middleton: a modern royal woman