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9 Fascinating Facts About the Number 40 You Never Knew

Science, religion, and literature all agree — you can always count on 40.

9 Fascinating Facts About the Number 40 You Never Knew
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1. Forty is the only number in English which has its letters in alphabetical order.

2. Minus 40 degrees, or “40 below”, is the only temperature that is the same in both Fahrenheit and Celsius.

3. When the bubonic plague gripped Europe during the Middle Ages, ships would be isolated in harbours for 40 days before passengers could go ashore. The word quarantine originates from the Venetian dialect form of the Italian quaranta giorni, meaning “40 days”.

4. There are 40 spaces on a Monopoly board. Proving that life is a gamble, the game gives players equal chances (one in 40) of going directly to jail or winning the Free Parking prize.

5. Forget “nine months” – a typical pregnancy actually lasts 40 weeks.

6. It took chemists 40 attempts to develop the magical spray we knew as … wait for it … WD-40 (full name: Water Displacement, 40th formula).

7. In literature, 40 is the number of thieves Ali Baba clashes with in the “Arabian Nights” tale.

8. Also, 40 is the number of winks Dr William Kitchiner suggests taking for a perfect nap in his 1821 guide.

9. In religion, 40 seems to be shorthand for “a long time.” Jesus spent 40 days fasting in the wilderness being tempted by the devil; the great flood lasted 40 days and 40 nights; the Jewish people wandered the desert for 40 years.



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