1. Who painted the Mona Lisa?

2. What is the title of Isaac Newton's most influential book on physics and mathematics?

3. Which executive order did Lincoln issue in 1863 to free slaves in Confederate territory?

4. What type of painting is Frida Kahlo most famous for creating?

5. Which of these novels was NOT written by Jane Austen?

6. What was the name of Babbage's first mechanical calculator design meant to eliminate human error?

7. What was the name of the short-handled stabbing spear introduced by Shaka Zulu?

8. Which Hemingway novel, about an aging fisherman, won him the Pulitzer Prize in 1953?

9. Rasputin gained influence by claiming he could treat which condition in the Tsar's son?

10. Which technological innovation did Nobunaga famously use to defeat traditional cavalry at the Battle of Nagashino?

11. Which volunteer program was established by JFK in 1961 to provide international aid?

12. Rosa Bonheur was most famous for painting what type of subject?

13. Marco Polo served as an envoy for which Mongol ruler?

14. What is the famous 'taxicab number' associated with the conversation between Hardy and Ramanujan?

15. Eleanor Roosevelt chaired the commission that drafted which landmark 1948 document?

16. Mansa Musa's empire was the world's leading producer of which commodity?

17. In which ancient city did Hypatia live and teach before her tragic death?

18. In which city did Simón Bolívar make his famous vow to liberate South America?

19. In his famous equation $E = mc^2$, what does the 'c' represent?

20. What is the popular name of the house in Mexico City where Frida Kahlo was born and died?