Across
- 3. : Belgian battle site of Napoleon's final defeat in 1815
- 5. : German who introduced movable-type printing to Europe
- 7. : Ship that carried the Pilgrims to America in 1620
- 11. : The right to vote, won by American women through the 19th Amendment
- 12. Tubman : Underground Railroad conductor
- 13. : First artificial satellite, launched by the USSR in 1957
- 14. : Island at the center of a 1962 nuclear standoff
- 17. : The U.S. bought the Virgin Islands from this country in 1917
- 19. : Roman city buried by Mount Vesuvius in AD 79
- 20. Carta : English charter King John was forced to seal in 1215
Down
- 1. : Pennsylvania town where Lincoln gave his famous 1863 address
- 2. : The U.S. bought the Louisiana Territory from this country in 1803
- 4. : Virginia site of the British surrender in 1781
- 6. : 1066 battle where William the Conqueror claimed England
- 8. : Stone that helped scholars decode Egyptian hieroglyphs
- 9. : The U.S. gained Puerto Rico and Guam from this country in 1898
- 10. : Eugene, Socialist candidate who ran for president from a prison cell in 1920
- 15. : Empire whose capital was Constantinople
- 16. Harbor : Hawaiian naval base attacked on December 7, 1941
- 18. Parks : Refusal to give up her bus seat sparked the Montgomery boycott
- 21. Deal : FDR's program of relief, recovery, and reform during the Great Depression