1. Who developed the theory of relativity?

2. What was the specific term Gandhi used for his philosophy of non-violent resistance?

3. On which island was Nelson Mandela imprisoned for 18 of his 27 years behind bars?

4. Marie Curie was the first person to win Nobel Prizes in which two different scientific fields?

5. For which specific discovery did Albert Einstein receive the 1921 Nobel Prize in Physics?

6. With which inventor did Ada Lovelace collaborate on the 'Analytical Engine'?

7. What was the name of the spacecraft that Yuri Gagarin used for the first human spaceflight?

8. What device did Thomas Edison invent that was the first to record and play back sound?

9. Cleopatra was a member of which Greek-origin dynasty that ruled Egypt?

10. What is the title of Isaac Newton's most famous work, published in 1687?

11. What was the name of the famous X-ray diffraction image taken by Rosalind Franklin that revealed the structure of DNA?

12. Which policy, meaning 'restructuring,' did Mikhail Gorbachev introduce to reform the Soviet economy?

13. What process, named after Louis Pasteur, involves heating liquids to kill harmful pathogens?

14. During which 19th-century war did Florence Nightingale transform nursing practices?

15. What nickname was given to Harriet Tubman for her role in leading people to freedom?

16. According to Sun Tzu, what is the 'supreme art of war'?

17. Who was the primary co-author of 'The Communist Manifesto' along with Karl Marx?

18. Which modern technology is based on the frequency-hopping invention co-created by Hedy Lamarr?

19. In which city was the Globe Theatre, where many of Shakespeare's plays were first performed?

20. In which year was the Slave Trade Act, promoted by Wilberforce, passed by the British Parliament?