Across
- 3. UK exit from the EU
- 6. Greek warrior society
- 9. devastating disease that wiped out millions
- 11. revival of classical art
- 12. overthrow of a government
- 13. first city to be hit by an atomic bomb
- 15. anti-slavery movement in the US
Down
- 1. medieval holy wars
- 2. city divided by a wall during Cold War
- 4. colonizing other lands
- 5. Genghis Khan's warriors
- 7. system of racial separation in South Africa
- 8. first satellite in orbit; launched by USSR
- 10. ancient trade route that connected China to Rome
- 14. extermination campaign led by Nazis