1. In the early hours of 20 June 1837, an 18-year-old princess was woken at Kensington Palace and told she was queen. Who was she, and which uncle had just died?

2. On 20 June 1789, members of France's Third Estate, locked out of their meeting hall, gathered at an indoor sports court and swore not to separate until France had a constitution. What is the oath called?

3. On the night of 20 to 21 June 1791, the French royal family tried to escape from Paris in disguise, but were recognised and stopped. In which town?

4. Which US state was admitted to the Union on 20 June 1863, after breaking away from a Confederate state during the Civil War?

5. On 20 June 1819, the SS Savannah arrived in Liverpool, the first steamship to cross the Atlantic. What was surprising about the crossing?

6. The inventor from your 6 January round was granted a US patent for his telegraph on 20 June 1840. Who was he?

7. On 20 June 1948, a new currency was introduced in the Western occupation zones of Germany, prompting the Soviet blockade from your 30 September round. What was it?

8. On 20 June 1963, the US and the Soviet Union agreed to set up a direct communication link between their leaders after the crisis from your 22 October round. What is it popularly called, and what did it actually use?

9. A film about a man-eating shark was released on 20 June 1975 and is often called the first summer blockbuster. Name the film and its director.

10. On 20 June 1782, Congress adopted the Great Seal of the United States. Which bird appears on it, the one that Benjamin Franklin complained about in your Thanksgiving round?

11. On 20 June 1991, the German Bundestag voted narrowly to move the seat of government. From which city to which city?

12. The composer from your 5 October round was born in Cologne on 20 June 1819. Who was he?

13. An Australian-born actor born on 20 June 1909 became famous for swashbuckling roles such as Robin Hood. Who was he?

14. An American singer born on 20 June 1949 had hits with "Hello" and "All Night Long", and first found fame with which band?

15. The leader and songwriter of The Beach Boys was born on 20 June 1942. Who is he?

16. An Australian-American actress born in Honolulu on 20 June 1967 won an Oscar for playing Virginia Woolf. Name her and the film.

17. An American soldier born on 20 June 1925 became one of the most decorated US soldiers of the Second World War, and later played himself in a film. Who was he?

18. 20 June is a UN day honouring people forced to flee their homes. What is it called?

19. The woman from your 4 August round was found not guilty of murder on 20 June 1893. Who was she?

20. On 20 June 1960, a boxer became the first man to regain the world heavyweight title, by knocking out Ingemar Johansson. Who was he?