1. Which document, issued by Lincoln in 1863, declared that all persons held as slaves in rebellious states 'are, and henceforward shall be free'?

2. Which famous London theatre is most closely associated with William Shakespeare and his playing company?

3. What is the name of the artistic technique pioneered by Leonardo da Vinci that involves the subtle blending of colors to create a 'smoky' effect?

4. What was the name of the ship on which Charles Darwin traveled during his foundational research expedition?

5. In what year did Steve Jobs unveil the first iPhone at the Macworld Convention?

6. Which planet did Galileo observe to have phases, similar to the Moon, providing evidence for the heliocentric model?

7. In which city did Princess Diana die following a car crash in 1997?

8. In what year was Charlemagne crowned Holy Roman Emperor by the Pope?

9. Which major Cold War crisis in 1962 brought the U.S. and USSR to the brink of nuclear war?

10. Which art movement, co-founded by Picasso, uses geometric shapes to represent subjects from multiple perspectives?

11. Bach was a master of which musical period?

12. What was the motto of the Women's Social and Political Union (WSPU) founded by Emmeline Pankhurst?

13. Which mountain range did Hannibal famously cross with war elephants to invade Italy?

14. Which ancient British tribe did Boudica lead in the revolt against Rome?

15. Which three 'natural rights' did John Locke famously argue all humans possess?

16. In which fictional town is Gabriel García Márquez's 'One Hundred Years of Solitude' set?

17. What term did Desmond Tutu coin to describe the multiculturalism of post-apartheid South Africa?

18. What was the first major book printed using Gutenberg's movable type press?

19. What is the name of the house where Frida Kahlo was born and lived for most of her life?

20. What was the name of the school founded by Aristotle in Athens?