Related Clues:

• Stat that is better when lower
• Period of note
• Nolan Ryan stat
• Long period
• Years of note
• Sizable duration
• Depression, e.g.
• Stat that's good when low
• United nations
• The Clinton years, e.g.
• Bullpen stat
• Time piece
• Proposed change to the Const.
• Unforgettable time
• Bit of history