Related Clues:
- Renaissance preceder
- Tool-making time
- When coins came into general use
- 'The Flintstones' setting
- Toolmaking time
- Primitive period
- It began about 1000 B.C.
- Advanced toolmaking period
- Time for a mammoth feast?
- Primitive era
- Early period
- Neanderthals' heyday
- Certain historical period
- Period following Rome's fall
- Prehistoric time