Across
- 5. 1985 concert event that raised funds for famine relief.
- 7. Space telescope launched in 1990, revolutionizing astronomy.
- 9. Massive oil spill in 1989.
- 11. Operation from 19481949 supplying West Berlin.
- 14. Era of anticommunist witch hunts in the early '50s.
- 17. 1972 visit that opened diplomatic relations.
- 18. Landmark 1973 Supreme Court decision on abortion.
- 20. Conflict involving Cold War superpowers starting in 1975.
Down
- 1. 1975 accords aiming to improve East-West relations.
- 2. Nigerian civil war from 1967 to 1970 over secession.
- 3. Assassinated civil rights leader in 1965.
- 4. Equal Rights Amendment proposed but not ratified by all states.
- 6. Site of a tragic shooting during a protest in 1970.
- 8. First U.S. space station launched in 1973.
- 10. Olympics where Israeli athletes were taken hostage.
- 12. Conflict from 19501953, sometimes called "The Forgotten War."
- 13. Epidemic first recognized in the early 1980s.
- 15. Turn of the millennium bug that caused global concern.
- 16. 1973 agreement intended to end the Vietnam War.
- 19. Famous "Houston, we have a problem" space mission.