Across
- 6. The signing of this peace treaty ended World War I.
- 9. The ancient civilization known for its city-states, such as Athens and Sparta.
- 10. The catastrophic volcanic eruption that destroyed the Roman city of Pompeii.
- 13. The first American woman in space.
- 14. The president who served as the Commander-in-Chief during World War II.
- 15. Ruled the Roman Empire as its first emperor.
- 16. The nuclear accident that occurred in this Ukrainian city in 1986.
- 19. The period of renewed interest in art, science, and learning in Europe during the 14th to 17th centuries.
- 20. Led the Cuban Revolution and served as Prime Minister of Cuba.
Down
- 1. The battle in 1066 that resulted in the Norman conquest of England.
- 2. Painted the Mona Lisa and The Last Supper.
- 3. The sinking of this "unsinkable" ocean liner in 1912.
- 4. The day of infamy when the Japanese attacked this US naval base in 1941
- 5. Egyptian queen known for her intelligence and beauty.
- 7. The historic voyage of this explorer to the New World in 1492.
- 8. Wrote the plays Romeo and Juliet, Hamlet, and Macbeth.
- 11. Discovered the theory of general relativity.
- 12. The event that triggered World War I, when Archduke Franz Ferdinand was assassinated.
- 17. Led the Russian Revolution and founded the Soviet Union.
- 18. The president who issued the Emancipation Proclamation.