Global Events of the 20th Century - 2

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Across
  1. 4. Gulf War military mission
  2. 6. "Houston, we have a problem"
  3. 7. 1990s ethnic conflict in Europe
  4. 10. Student protest in China
Down
  1. 1. 1995 federal building bombing
  2. 2. Tragic 1999 school shooting
  3. 3. Supplied West Berlin by air
  4. 5. Marked end of Vietnam War
  5. 8. Nuclear accident in Pennsylvania
  6. 9. Reagan-era political scandal