Historical clue formulations

• Victorian taxi — 2010-12-03
• Cab's ancestor — 2009-02-01
• Two-wheeled covered carriage — 2008-02-03
• Kind of cab — 2004-12-05
• Taxi forerunner — 2000-09-17
• Central Park sight — 2000-07-29
• Victorian taxi — 1994-05-15