ANSWERS

1. Tranquility Base

In the United States it was still 20 July, which is why the landing is usually dated 20 July 1969. The lunar module, Eagle, had landed on 20 July in both time zones.

2. Alexander the Great

The arsonist was Herostratus. The Ephesians banned anyone from mentioning his name, which is why "Herostratic fame" now means fame sought at any price. The link with Alexander's birth comes from Plutarch.

3. Hotspur

The future Henry V, then 16, was hit in the face by an arrow during the battle and survived after surgeons removed it.

4. The Mamluks

5. "Stonewall" (Thomas "Stonewall" Jackson)

6. The Monkey Trial

7. Belgium (King Leopold I)

8. The Bendlerblock

9. Vostok Station

10. Harry Potter and the Deathly Hallows

11. Atlantis

12. The 17th parallel

13. Lake Nasser

14. "Old long since" (times long past, the old days)

15. Good Will Hunting (Robin Williams)

16. Yusuf Islam (Cat Stevens)

17. Marshall McLuhan

18. Carrier pigeons (Paul Julius Reuter)

19. Carnegie Hall (Isaac Stern)

20. Ceylon