Across
- 2. The period during which a ruler governs.
- 6. A complex society with culture and organization
- 8. Very old
- 9. A structure built to commemorate
- 10. A long stretch of time characterized by particular features
Down
- 1. A person who studies history
- 3. A significant happening in history
- 4. A sequence of historical moments
- 5. Finding something new about the past
- 7. An object from the past.