Related Clues:

• Junior or senior, e.g.
• Domain of a king and queen
• Part of Y2K
• Orbital period
• Revolutionary period?
• Revolution time
• Teen's big event
• Whisky or wine datum
• 669 Martian days
• Revolution time?
• Spring, summer, fall and winter
• High-school dance
• Summer to summer
• Kind of queen
• 2006, e.g.