Related Clues:
- Colonial ___
- Guarded secret, for some
- Birthday candle giveaway
- Proposed amdt.
- Constitutional proposal first introduced in Cong. in 1923
- Neolithic ___
- Many, many years
- Stretch of history
- Identifiable period
- Birthday card subject
- Memorable stretch
- Better to do this than not?
- Touchy subject, for some
- Francis Bacon said it 'will not be defied'
- Geologic time division