1. On 14 January 1784, the US Congress ratified the treaty that formally ended the War of Independence. What is the treaty called?

2. On 14 January 1858, an Italian revolutionary threw bombs at the carriage of the French emperor from your 20 April round as he arrived at the opera. The emperor survived. Who was the attacker?

3. An opera by the composer from your 29 November round premiered in Rome on 14 January 1900. The heroine leaps from the battlements of the Castel Sant'Angelo at the end. Name the opera.

4. On 14 January 1943, Churchill and Roosevelt began a conference in a Moroccan city, the same city as the film from your 26 November round. Which city? What did they agree to demand from the Axis powers?

5. On 14 January 1952, an American breakfast TV programme went on air for the first time, and is still running. What is it called?

6. On 14 January 1954, a baseball legend married the star from your 19 May round at San Francisco City Hall. Name both.

7. On 14 January 1967, a "Human Be-In" in San Francisco's Golden Gate Park helped launch which famous summer later that same year?

8. On 14 January 1972, a European queen came to the throne. She gave it up on exactly the same date in 2024. Who is she, and of which country?

9. On 14 January 1973, the singer from your 8 January round gave a concert in Honolulu that was broadcast live by satellite around the world. What was it called?

10. On 14 January 2005, a European probe landed on Titan, the largest moon of Saturn. What was it called, and after which astronomer?

11. The doctor and Nobel Peace Prize winner from your 4 September round was born on 14 January 1875. Who was he?

12. An American general born on 14 January 1741 became the most famous traitor in American history after plotting to hand over West Point to the British. Who was he?

13. A French Impressionist painter born on 14 January 1841 married the brother of Édouard Manet. Who was she?

14. An English photographer and designer born on 14 January 1904 won Oscars for the costumes of "Gigi" and the film from your 2 June round. Name him and that film.

15. An American actress born on 14 January 1941 starred in "Bonnie and Clyde" and won an Oscar for "Network". Who is she?

16. The drummer of Nirvana, from your 24 September round, was born on 14 January 1969 and went on to found the Foo Fighters. Who is he?

17. The author of "Alice's Adventures in Wonderland", from your 26 November round, died on 14 January 1898. Who was he?

18. An English astronomer who correctly predicted the return of a famous comet died on 14 January 1742. Who was he?

19. The star of "Casablanca" died on 14 January 1957. Who was he?

20. An English actor died on 14 January 2016. He played Professor Snape, and the villain in the Christmas film from your Christmas round. Name him and that villain.