ANSWERS

1. Leo III

2. Westminster Abbey

The shouts of acclamation inside the abbey alarmed the Norman guards outside, who thought it was an attack and set fire to nearby houses.

3. 1914

Accounts of football matches in no man's land are mostly second-hand. Some kickabouts probably did happen, but not organised matches.

4. The Russian tricolour (the flag of the Russian Federation)

5. Rudyard Kipling

6. 1957

7. Trenton (New Jersey)

8. The guitar

The words were by the priest Joseph Mohr and the music by the organist Franz Xaver Gruber. The broken-organ story is popular, but whether the organ was actually broken is uncertain.

9. Arbroath Abbey

10. Lincolnshire

By the Gregorian calendar, Newton was born on 4 January 1643.

11. His body was stolen from his grave and held for ransom

12. Last Christmas

13. Robot

Čapek credited his brother Josef with the word, from the Czech "robota", meaning forced labour.

14. Halley's Comet (the astronomer was Johann Georg Palitzsch)

15. Ariane 5

16. Their churches still use the Julian calendar, which is now 13 days behind the Gregorian calendar

17. Rick's Café Américain

18. Dave Stewart (Annie Lennox)

19. Fairytale of New York (Shane MacGowan)

20. Muhammad Ali Jinnah