Historical clue formulations

• With 76-Down, individually — 2025-09-07
• Leader for a time? — 2015-04-11
• ___ a time — 2011-05-08
• ___ a time — 2010-01-28
• "Buy ___ regular price, get ..." — 2009-07-12
• ___ a time — 2003-12-02
• It may precede a time — 2001-11-03
• ___ a time (individually) — 2000-03-27
• ___ a time (singly) — 1999-01-04
• ___ a time — 1998-11-29
• Put ___ ease — 1997-05-09
• ___ a time — 1996-12-08