ANSWERS

1. Dublin

2. The Huguenots (French Protestants)

The edict was issued by Henry IV. 13 April is the usual date, but some historians date the final signing to 30 April 1598.

3. An oxygen tank (in the service module)

The first words were spoken by Jack Swigert: "Houston, we've had a problem here." Jim Lovell repeated them. The film version changed it to "Houston, we have a problem".

4. 12 strokes

5. Brigadier-General Reginald Dyer

6. St Mark's Basilica

The horses on the façade today are replicas. The originals are inside the basilica's museum. Napoleon took them to Paris in 1797, and they were returned in 1815.

7. Daniel O'Connell

8. Charleston (South Carolina)

9. The $2 bill (Thomas Jefferson)

Jefferson was born on 2 April 1743 by the Julian calendar then used in the colonies.

10. Vladimir and Estragon ("Waiting for Godot" by Samuel Beckett)

11. Beowulf (Seamus Heaney)

12. Deep Blue (Garry Kasparov)

13. The Wild Bunch (Butch Cassidy)

14. Lord North

15. The St Bartholomew's Day Massacre

16. Al Green

17. Mambo No. 5 (Lou Bega)

18. All Creatures Great and Small (Peter Davison)

19. Songkran

20. Katyn