Iran
Iran was under the rule of the Shah at this time, in 1975.
Mohammad Rezā Shāh Pahlavī was the last Shah (King) of Iran from 16 September 1941 until his overthrow by the Iranian Revolution on 11 February 1979. He was the second and last monarch of the House of Pahlavi of the Iranian monarchy.
Mohammad Rezā Shāh Pahlavī
(Persian: محمد رضا شاه پهلوی, [mohæmˈmæd reˈzɒː ˈʃɒːhe pæhlæˈviː]; 26 October 1919 – 27 July 1980)
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At the Iranian border they did not want to let the lorry in as we did not have the correct papers for a lorry, but we eventually persuaded them it was a mobile home and they then let us through.
There were no apparent undertones of revolution on our first visit. Tehran was busy and bright. Some of the women wore a yashmak in public. The names and meanings of the different outerwear escaped us at the time. Frequently you could see the bright makeup and fashion shoes beneath the plain black of a burqa.