1. At Live Aid on 13 July 1985, which musician played at Wembley and then flew on Concorde to play again in Philadelphia the same day?

2. On 13 July 1793, the French revolutionary Jean-Paul Marat was stabbed to death in his bath. Who killed him?

3. The first World Cup matches were played on 13 July 1930 in Uruguay. What was the nationality of Lucien Laurent, who scored the first ever World Cup goal?

4. A famous sign in the hills above Los Angeles was dedicated on 13 July 1923 as an advertisement for a housing development. What did it originally say?

5. The Treaty of Berlin was signed on 13 July 1878, at a congress hosted by Bismarck. Which British prime minister came home claiming "peace with honour"?

6. On 13 July 2016, Theresa May became prime minister. Whom did she succeed?

7. On 13 July 1962, Harold Macmillan sacked a third of his Cabinet in the "Night of the Long Knives". How many ministers did he dismiss?

8. On 13 July 1174, King William the Lion was captured near Alnwick. Of which country was he king?

9. On 13 July 1837, a few weeks after coming to the throne, Queen Victoria became the first monarch to live in which royal residence?

10. The Mexican painter Frida Kahlo died on 13 July 1954. Which famous muralist did she marry twice?

11. On 13 July 2014, Germany beat Argentina 1-0 in the World Cup final in Rio. Who scored the winner in extra time?

12. On 13 July 1955, Ruth Ellis was hanged at Holloway Prison. For what is she remembered in British legal history?

13. Julius Caesar is traditionally said to have been born on 12 or 13 July 100 BC. Which month is named after him?

14. Harrison Ford was born on 13 July 1942. What is Indiana Jones's real first name?

15. An English actor born in Mirfield on 13 July 1940 played which starship captain in "Star Trek: The Next Generation"?

16. A Hungarian architecture professor born on 13 July 1944 invented a famous puzzle in 1974. What did he first call it?

17. A writer born on 13 July 1934 became the first African to win the Nobel Prize in Literature, in 1986. From which country?

18. An English poet born on 13 July 1793 is known as the "Northamptonshire Peasant Poet". Who was he?

19. A comedian born on 13 July 1946 is known for his stoner comedy films with which partner?

20. On 13 July 1832, the explorer Henry Schoolcraft identified the source of the Mississippi River. Which lake is it?