Across
- 4. Time regarded as still to come.
- 6. A visual representation of a sequence of events, especially historical events.
- 7. A source that is a document or book created by a person who was not a first-hand witness to the event.
- 9. Work that involves studying something and trying to discover facts about it.
- 11. A period of time now occurring.
- 12. A source that was written at the time an event occurred.
- 14. A period of 10 years.
Down
- 1. A period of 100 years.
- 2. All the people in a group or country who are of a similar age, especially when they are considered as having the same experiences or attitudes.
- 3. A period of 1000 years.
- 5. The set of all events that occurred before a given point in time.
- 8. A period of history or a long period of time.
- 10. A record of past events.
- 13. A theory which is intended to explain or describe.