Through flashbacks, The Crown tells the story of how George, played by Jared Harris, ascendedt o the throne after his brother Edward abdicated in order to marry the American divorcée Wallis Simpson.
He became king on December 11, 1936 and was crowned in a Coronation ceremony on May 12, 1937 with his wife Queen Elizabeth and his daughters Elizabeth and Margaret Rose by his side.
His reign was marred by health problems and came to an end with his death in 1952.
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The Crown opens with King George coughing up blood into a lavatory at Buckingham Palace.
In typically British fashion, he asks a doctor whether he should be worried about “blood in his spittle”.
Later on in the show, the King undergoes surgery in the Palace to remove a lung after he is diagnosed with cancer.
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King George, left, is played by Jared Harris in The Crown
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The medics in the show are not actors but real-life surgeons carrying out the operation on a prosthetic body.
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But despite their best efforts, shortly after the surgery George succumbed to the disease, passing the crown on to his eldest daughter Elizabeth.
In real-life, the King died on February 6, 1952 due to a coronary thrombosis – a blockage of blood to the heart resulting from a blood clot in an artery.
George married Lady Elizabeth Bowes-Lyon in 1923
The couple had two daughters Elizabeth and Margaret Rose
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For years he had been battling health problems, with doctors finding that he had hardened arteries and blockages as a result of his heavy smoking.
In 1948 he gave up public appearances after problems with his right leg almost resulted in the limb being amputated.
As is shown in The Crown, he went on to have a cancerous lung removed in an operation in Buckingham Palace.
King George was crowned in May 1937
King George announcing the engagement of Elizabeth and Philip Mountbatten
He never truly recovered from the operation and died in his sleep on February 6, 1952 aged just 56.
“Footman Daniel Long, who took a cup of cocoa to the King at 11pm and found him in bed reading a sportsman’s magazine, was the last person to see the King alive,” an obituary in Time magazine read.
“Early next day, a servant brought the King‘s morning cup of tea. The tea was never drunk: a blood clot had stilled George VI‘s valiant heart as he slept.”
Thousands filled the streets for George's funeral
Queen Elizabeth the Queen Mother, Queen Elizabeth and Princess Margaret led mourners
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Elizabeth, who was on a visit to Kenya at the time, became Queen immediately on his death.
As a mark of respect, all cinemas and theatres in Britain were closed, all BBC programmes apart from new bulletins were cancelled and flags were flown at half mast.
The King's body lay in state in Westminster Hall from February 11 until his funeral on February 15.
Thousands of people took to the streets of London to pay their respects to his widow, the new Queen and her sister.