1. What percentage of Frida Kahlo's total output of paintings were self-portraits?

2. Amelia Earhart was the first woman to perform which of the following aviation feats?

3. What was the name of the Apollo 11 Lunar Module that Neil Armstrong piloted to the Moon's surface?

4. Which iconic fashion staple was popularized by Coco Chanel in the 1920s as a versatile 'uniform' for women?

5. Which famous philosopher served as the personal tutor to a young Alexander the Great?

6. Nikola Tesla was a major proponent of which electrical system during the 'War of Currents'?

7. What nickname was given to Margaret Thatcher by a Soviet journalist to describe her uncompromising style?

8. What was the name of the school founded by Plato in Athens around 387 BC?

9. What is the name of Voltaire's famous 1759 satirical novella that critiques philosophical optimism?

10. What type of organism was the source of the first antibiotic discovered by Alexander Fleming?

11. How much money did Jonas Salk personally make from his patent on the polio vaccine?

12. Which U.S. Constitutional Amendment, granting women the right to vote, is often named after Susan B. Anthony?

13. In which city was Harvey Milk elected as the first openly gay supervisor in 1977?

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

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

16. At what age did Malala Yousafzai become the youngest person to receive the Nobel Peace Prize?

17. Which landmark international document did Eleanor Roosevelt help draft as chair of the UN Commission on Human Rights?

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

19. What was the long period of relative peace and stability initiated by Augustus called?

20. In Confucianism, which term refers to the core virtue of 'humaneness' or 'benevolence'?