 In 1975 , she visited Iran at the invitation of Shah Mohammad Reza Pahlavi . The British ambassador and his wife , Anthony and Sheila Parsons , noted how the Iranians were bemused by her habit of speaking to everyone regardless of status or importance , and hoped the Shah 's entourage would learn from the visit to pay more attention to ordinary people . Four years later , the Shah was deposed . Between 1976 and 1984 , she made annual summer visits to France , which were among 22 private trips to continental Europe between 1963 and 1992 . 
