1. 24 October is United Nations Day. What happened on 24 October 1945?

2. On 24 October 1648, a set of treaties signed in two Westphalian cities ended the Thirty Years' War. Name the treaties and the two cities.

3. On 24 October 1901, a schoolteacher became the first person to go over Niagara Falls in a barrel, and survived. Who was she?

4. On 24 October 1929, panic selling hit the New York Stock Exchange. What is the day called?

5. On 24 October 1861, the first transcontinental telegraph line across the US was completed. Which famous horse-riding mail service shut down two days later as a result?

6. On 24 October 1946, a camera on a captured German rocket launched from New Mexico took the first ever photograph of what?

7. Which African country, formerly Northern Rhodesia, became independent on 24 October 1964?

8. On 24 October 2003, the aircraft from your 26 November round made its last commercial passenger flights. Which aircraft?

9. On 24 October 1917, German and Austro-Hungarian troops broke through the Italian lines. Name the battle. Which American author described the retreat in "A Farewell to Arms"?

10. On 24 October 1980, the Polish trade union from your 13 December round was officially registered. What was it called?

11. A Dutch cloth merchant born in Delft on 24 October 1632 made his own microscopes and was the first to see bacteria, which he called "animalcules". Who was he?

12. An English footballer born on 24 October 1985 became Manchester United's and England's record goalscorer. Who is he?

13. An American actor born on 24 October 1947 won an Oscar for "A Fish Called Wanda". Who is he?

14. The original bass guitarist of the Rolling Stones was born on 24 October 1936. Who is he?

15. The magazine editor from your Thanksgiving round who campaigned for the national holiday was born on 24 October 1788. Who was she?

16. The civil rights campaigner from your 1 December round died on 24 October 2005. Who was she?

17. A Norwegian collaborator was executed on 24 October 1945. His surname became an English word for "traitor". Who was he?

18. The Danish astronomer with the metal nose, from your 14 December round, died in Prague on 24 October 1601. Who was he?

19. The world's oldest football club still in existence was founded on 24 October 1857. Which club?

20. A Canadian rapper born in Toronto on 24 October 1986 first became known as an actor in a teen drama. What is his stage name?