It’s believed St George was a real person, but he wasn't English. He probably came from a place called Cappadocia, in modern-day Turkey. And instead of being a knight, he was a Roman soldier ...
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The irony of St George's Day
he wasn’t a knight at all. Instead, he was more likely an officer in the Roman army, according to English Heritage.
St George's Day is celebrated in England on 23 April, reputed to be the day of George's martyrdom in 303.