Related Clues:
- Astronomical time period
- Lot of time
- Legislation recently re-introduced by Edward Kennedy and Carolyn Maloney: Abbr.
- Division of about one billion years
- Long long time
- Important period of history
- Period to remember
- Pitcher's number
- Ballpark figure, for short
- Billion-year period
- A bazillion jillion years
- ''Common'' chapter of history
- BCE part
- It's a ballpark figure
- Indefinable time period