Historical clue formulations

• Minicar, say — 2016-04-17
• Small carriage — 2010-07-04
• Cramped vehicle — 2010-05-21
• Small plane, perhaps — 2008-07-06
• Bicycle or kayak, usually — 2004-10-26
• Small plane, perhaps — 2002-04-06
• Small carriage — 1997-07-11
• Racecar, usually — 1994-07-10