May 12 in History
1937 – The Duke and Duchess of York are crowned as King George VI and Queen Elizabeth of the United Kingdom of Great Britain and Northern Ireland in Westminster Abbey
The coronation of George VI and his wife Elizabeth as king and queen of the United Kingdom and the Dominions of the British Commonwealth took place at Westminster Abbey, London, on this day in 1937. George VI ascended the throne upon the abdication of his brother, Edward VIII, on December 11, 1936, three days before his 41st birthday. Edward’s coronation had been planned for May 12th and it was decided to continue with his brother and sister-in-law’s coronation on the same date.
-Wikipedia