Related Clues:

• Century fractions (Abbr.)
• They may be B.C. or A.D.
• '08 and '12
• Soph and jr.
• Age-old abbr.?
• Wks. and wks. and wks.
• Times between dropping balls?: abbr.
• What many wks. become
• Calendar refs.
• Anniv. nos.
• Timeline divs.
• 12-mo. periods
• '09, '10, etc.
• Representation of 34-Down: Abbr.
• Sentence units: Abbr.