Queen Elizabeth II and Prince Philip, Duke of Edinburgh smiling happily on a Royal engagement.
The engagement of Lieutenant Philip Mountbatten to Princess Elizabeth was announced in July 1947 and the marriage took place in Westminster Abbey on 20th November.
Seventy years of marriage is a right royal achievement by any standards.
The Queen and Prince Philip had two children (Prince Charles and Princess Anne) before and two (Prince Andrew and Prince Edward) after The Queen succeeded to the throne.