Historical clue formulations

• A tick or a tock — 2023-04-09
• Most common U.S. street name, surprisingly — 2020-10-25
• Baseball position, informally — 2017-08-17
• Back up — 2015-11-19
• It goes by quickly — 2010-06-26
• Back up — 2009-11-08
• Where does N.C. rank among U.S. states in Christmas tree production? — 2009-09-19
• Back up — 2006-08-11
• Boxer's attendant — 2000-11-21
• With 118-Across, part of a child's schooling — 2000-08-27
• Duel personality — 1999-11-19
• Silver category — 1997-04-20
• Back up — 1995-05-20
• Back up — 1995-03-19
• Endorse publicly — 1994-03-20