Related Clues:

• Cause for Steinem
• See 21-Down
• Last word in the Pledge of Allegiance
• It's this or nothing!
• 'Nifty!'
• Generation
• 'Roseanne' broadcaster
• Historical time to remember
• See 40-Down
• It contains periods
• Ocean phenomenon
• Big time
• Significant time period
• TV network
• Prohibition, e.g.