April 21, 2016 marks the 90th birthday of Queen Elizabeth II of the United Kingdom. She is the oldest British monarch and the longest reigning. Send a birthday message to The Queen at British Monarchy: Send a birthday message to The Queen.
Learn more about Queen Elizabeth II at the following links:
Unofficial Royalty: Queen Elizabeth II
Unofficial Royalty: Wedding of Queen Elizabeth II and Lt Philip Mountbatten, RN
Unofficial Royalty: Coronation of Queen Elizabeth II at Westminster Abbey
Official Website of the British Monarchy