Historical clue formulations

• Turn-of-the-century Oldsmobiles — 2020-07-11
• Competitors of Grand Ams — 2019-02-09
• Successors to Cutlasses — 2016-05-29
• Last Oldsmobiles made — 2013-04-17
• Compacts produced until 2004 — 2013-04-11
• Last Oldsmobiles — 2013-01-27
• Some Oldsmobiles — 2011-12-03
• Old Olds models — 2006-09-03
• Models sold from 1999 to 2004 — 2006-07-08
• Car models introduced in 1999 — 2004-11-13
• Midsized Oldsmobiles — 2003-03-09
• Some Oldsmobiles — 2002-01-28