Related Clues:

• Ballpark fig.
• Two or more periods
• Slices of history
• See 64-Across
• Stat. that's good when low
• Detergent brand
• Dash competitor
• Time to remember
• Pitching stat.
• Geologic periods
• The Roaring Twenties, e.g.
• Particular time
• It may be golden
• Baseball stat.
• Period of time