LES 8TH GRADE PUZZLE MANIAC

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Across
  1. 2. before Christ
  2. 3. period of ten years
  3. 5. study of past events
  4. 8. period of a thousand years
  5. 12. period of a hundred years
  6. 13. 365 days
Down
  1. 1. 28-31 days
  2. 2. before common era
  3. 4. 24 hours
  4. 6. line used to tell dates and events
  5. 7. 7 days
  6. 9. 60 seconds
  7. 10. period of time
  8. 11. 60 minutes
  9. 12. Common Era