The late former US president Jimmy Carter was a relative novice at international diplomacy when made his first visit to the UK just four months into his term in the White House in 1977 – which resulted in him earning the displeasure of the Queen Mother after being said to have given her a parting kiss on the lips.
It was the year of Queen Elizabeth’s Silver Jubilee, marking her 25th year on the throne, and world leaders attending a G7 summit were invited for a state banquet in Buckingham Palace where they were to meet the Queen and other members of the Royal Family.