Historical clue formulations

• Back of a car or front of an elephant — 2026-05-25
• Prominent part of an elephant — 2019-11-25
• Jack holder — 2015-11-28
• Front of an elephant or back of a car — 2013-12-30
• Magician's prop — 2009-06-17
• Ventriloquist's prop — 2008-04-12
• Jack's place — 2007-03-09
• Big case — 2004-09-17
• Spare carrier — 2003-02-23
• Spare holder — 2002-02-17