She sits beside Sheikh Rashid bin Saeed on a sightseeing tour of Dubai on February 26, 1979. AP Photo
Queen Elizabeth II leads Sheikh Zayed, Ruler of Abu Dhabi, through Buckingham Palace in London, on June 13, 1969. Getty Images
Sheikh Zayed, Queen Elizabeth, Sheikh Khalifa and Prince Philip in Abu Dhabi in 1979. Getty Images
Queen Elizabeth with Sheikh Zayed during her visit to the UAE in 1979. Photo: Zaki Anwar Nusseibeh, adviser to the Ministry of Presidential Affairs
The queen during her UAE visit in 1979. Photo: Ramesh Shukla
Queen Elizabeth during her 1979 UAE visit. Photo: Ramesh Shukla
The inauguration of Le Meridien in Abu Dhabi with Queen Elizabeth and Sheikh Zayed in 1979. Photo: Le Meridien Abu Dhabi
Queen Elizabeth and Sheikh Zayed on the latter's visit to England in 1989. Photo: Centre for Documentation and Research
Queen Elizabeth at a lunch at Al Mushrif Palace hosted by President Sheikh Khalifa. Photo: Ian Jones
Queen Elizabeth with Sheikh Mohammed bin Rashid, Vice President and Ruler of Dubai, at Emirates Palace on November 25, 2010. Getty Images
Queen Elizabeth arrives at Emirates Palace with Sheikh Mohamed bin Zayed, then Crown Prince of Abu Dhabi and Deputy Supreme Commander of the Armed Forces, and Sheikh Mohammed bin Rashid for the unveiling of Zayed National Museum on November 25, 2010. Andrew Henderson / The National
Sheikh Mohamed with Queen Elizabeth and Prince Philip, the Duke of Edinburgh, at Sheikh Zayed Grand Mosque on November 24, 2010. Andrew Henderson / The National
President Sheikh Khalifa arrives in Windsor for a state visit to the UK as the guest of Queen Elizabeth and Prince Philip. Photo: Ian Jones
Queen Elizabeth with Sheikh Khalifa and Prince Phillip in Windsor, UK, in 2013. AP Photo
Queen Elizabeth, Sheikh Khalifa and Prince Philip leave after the inspection of the Guard of Honour at Windsor Castle. AP Photo
Queen Elizabeth appoints the then Ruler of Dubai, Sheikh Rashid bin Saeed, a Knight Grand Cross of the Order of Saint Michael and Saint George in 1979. Tim Graham / Getty Images
Queen Elizabeth delivers a speech in the presence of Sheikh Rashid bin Saeed, Sheikh Hamdan bin Rashid and Prince Philip on February 25, 1979. National Archives
She sits beside Sheikh Rashid bin Saeed on a sightseeing tour of Dubai on February 26, 1979. AP Photo
Queen Elizabeth II leads Sheikh Zayed, Ruler of Abu Dhabi, through Buckingham Palace in London, on June 13, 1969. Getty Images
Sheikh Zayed, Queen Elizabeth, Sheikh Khalifa and Prince Philip in Abu Dhabi in 1979. Getty Images
Queen Elizabeth with Sheikh Zayed during her visit to the UAE in 1979. Photo: Zaki Anwar Nusseibeh, adviser to the Ministry of Presidential Affairs
The queen during her UAE visit in 1979. Photo: Ramesh Shukla
Queen Elizabeth during her 1979 UAE visit. Photo: Ramesh Shukla
The inauguration of Le Meridien in Abu Dhabi with Queen Elizabeth and Sheikh Zayed in 1979. Photo: Le Meridien Abu Dhabi
Queen Elizabeth and Sheikh Zayed on the latter's visit to England in 1989. Photo: Centre for Documentation and Research
Queen Elizabeth at a lunch at Al Mushrif Palace hosted by President Sheikh Khalifa. Photo: Ian Jones
Queen Elizabeth with Sheikh Mohammed bin Rashid, Vice President and Ruler of Dubai, at Emirates Palace on November 25, 2010. Getty Images
Queen Elizabeth arrives at Emirates Palace with Sheikh Mohamed bin Zayed, then Crown Prince of Abu Dhabi and Deputy Supreme Commander of the Armed Forces, and Sheikh Mohammed bin Rashid for the unveiling of Zayed National Museum on November 25, 2010. Andrew Henderson / The National
Sheikh Mohamed with Queen Elizabeth and Prince Philip, the Duke of Edinburgh, at Sheikh Zayed Grand Mosque on November 24, 2010. Andrew Henderson / The National
President Sheikh Khalifa arrives in Windsor for a state visit to the UK as the guest of Queen Elizabeth and Prince Philip. Photo: Ian Jones
Queen Elizabeth with Sheikh Khalifa and Prince Phillip in Windsor, UK, in 2013. AP Photo
Queen Elizabeth, Sheikh Khalifa and Prince Philip leave after the inspection of the Guard of Honour at Windsor Castle. AP Photo
Queen Elizabeth appoints the then Ruler of Dubai, Sheikh Rashid bin Saeed, a Knight Grand Cross of the Order of Saint Michael and Saint George in 1979. Tim Graham / Getty Images
Queen Elizabeth delivers a speech in the presence of Sheikh Rashid bin Saeed, Sheikh Hamdan bin Rashid and Prince Philip on February 25, 1979. National Archives
She sits beside Sheikh Rashid bin Saeed on a sightseeing tour of Dubai on February 26, 1979. AP Photo