about 40
1. It's the atomic number of Zirconium
2. Farenheit and Centigrade meet at -40 degrees
3. It's the Ruby wedding anniversary
4. It's the code for direct dial international calls to Romania
5. Ali Baba had 40 theives
6. Lent consists of the 40 days before Easter
7. Ronald Reagan was the 40th President of the US
8. David Tennant was 40 yesterday
9. Noah spent 40 days on the Ark
10. XL is 40 in roman numerals
11. 40 is a 'semiperfect' number - ie you can add up a subset of its divisors to make 40 - 1+4+5+10+20 =40
12. Venus returns to the same place in the sky every 40 years
13. One of the prerequisites for a man to study Kabbalah is that he is 40
14. Jesus fasted for 40 days
15. and 40 nights
16. 40 weeks is the average term for a pregnancy (in the UK)
17. Muhammad was forty years old when he first received the revelation delivered by the archangel Gabriel
18. The M40 runs from London to Birmingham
19. Ewan McGregor is 40 years old
20. BBC Open University is 40 years old
21. The Quran says that a person is only fully grown when they reach the age of 40
22. There were 40 days between the resurrection of Jesus and his ascension
23. Some Russians believe that the dead linger at the site of their death for 40 days
24. A short nap is '40 winks'
25. Interstate 40 runs from California to North Carolina
26. Forty is the only written number whose letters are in alphabetical order
27. 40 is a song by Franz Ferdinand
28. Goliath challenged the Israelites twice a day for forty days before David defeated him
29. Decimalisation in the UK is 40 years old
30. Apollo 14 landed on the moon 40 years ago
31. On this day 40 years ago the
Manson Family were sentenced to death
32. Jim Morrison died 40 years ago
33. Walt Disney World in Florida is 40 years old
34. Gary Barlow is 40 years old
35. Jo Frazier beat Muhummad Ali at Madison Square Gardens 40 years ago
36. Queen Elizabeth II is the 40th British Monarch since William the Conqueror
37. Louis Armstrong died 40 years ago
38. The Hebrew people lived in the Sinai desert for 40 years
39. Life begins at 40 because...
40. I am 40 today!!!