On April 23rd, as this is the generally accepted date of St. George's death.
When Celebrated?
St. George's Day is celebrated on the same day every year.
Who was St. George?
He was a cavalryman in the Roman army. He refused to make sacrifices to the Roman gods and he was Beheaded in 303 AD.
Why do we celebrate St George's Day in England?
According to the saint story George heroically slayed a dragon and rescued a princess from being eaten. In their gratitude, the people of the town converted to Christianity.
The anniversary of his execution, on April 23, is now celebrated as England's national day.
St George's Day is no longer a public holiday in England.