1. In the early hours of 13 August 1961, East German soldiers began sealing off the border through which city?

2. On 13 August 1521, Spanish conquistadors captured the Aztec capital. Name the city and the conquistador.

3. On 13 August 1704, an English general won a great victory in Bavaria. Name the battle and the general. What is the palace named after the battle, where a famous descendant from your 30 November round was born?

4. In August 1913, a Sheffield metallurgist created a steel that would not rust. Name him and the steel.

5. On 13 August 1876, the first festival dedicated to the composer from your 22 May round opened in his own opera house. Which town, and which opera opened it?

6. On 13 August 1918, Opha May Johnson became the first woman to enlist in which branch of the US military?

7. Which city hosted the Olympic Games that opened on 13 August 2004?

8. A film director born in Leytonstone, London, on 13 August 1899 was known as the "Master of Suspense". Who was he?

9. The Cuban leader from your 25 November round was born on 13 August 1926. Who was he?

10. An American sharpshooter born on 13 August 1860 starred in Buffalo Bill's Wild West show and inspired a musical. Name her and the musical.

11. The television pioneer from your 2 October round was born on 13 August 1888. In which Scottish town was he born?

12. An American golfer born on 13 August 1912 won nine major championships and wrote a famous book on the golf swing. Who was he?

13. An English footballer born on 13 August 1970 is the all-time top scorer in the Premier League. Who is he?

14. A pioneering English nurse died on 13 August 1910. Name her, her nickname, and the hospital in Turkey where she became famous.

15. The English author of "The War of the Worlds", from your 6 May round, died on 13 August 1946. Who was he?

16. An American chef who brought French cooking to American TV died on 13 August 2004. Who was she?

17. A guitarist and inventor who helped create the solid-body electric guitar died on 13 August 2009. Name him, and the guitar named after him.

18. 13 August is a day celebrating people who share a particular trait. Which "Day" is it?

19. On 13 August 1969, New York held a huge ticker-tape parade for three men. Who were they?

20. On 13 August 1792, the French king and his family were taken to a medieval fortress in Paris, where they were imprisoned. Name the king and the fortress.