- It is a Russian superstition to slip a coin into a shoe before going into an exam. Some Indians believe that if you take your shoes off and don't arrange them neatly in a pair, it means that you'll have a fight with someone.
- The archbishop of #Cyprus is the only person on the island allowed to write in purple ink.
- Amongst senior British civil servants "C" (Chief of MI6 - and always called "C" in conversation) and the Chief of the General Staff both write in green ink.
- Jade is thought to be very lucky in the Orient, while in #Africa it is said that it will conjure up rain. In South America it is used to cure spleen problems, and in New Zealand fertility symbols are made from it.
- Number plates on Swiss cars belong to the driver, not the vehicle, and last for life.
Adam Jacot de Boinod worked on the first series of BBC Television’s QI for Stephen Fry, and is the author of The Meaning of Tingo and Other Extraordinary Words from around the World – Penguin Books, £10.
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