Related Clues:

• Long period
• Years of note
• Church song
• Sizable duration
• Depression, e.g.
• Stat that's good when low
• The Clinton years, e.g.
• Bullpen stat
• Time piece
• Proposed change to the Const.
• Unforgettable time
• Bit of history
• Distinctive period of history
• Hurler’s stat.
• It's a stretch