Historical clue formulations

• Hits in dodgem cars — 2012-07-09
• Phrenologists read them — 2010-01-20
• Moguls on a ski run — 2007-03-23
• Removes from the schedule — 2006-06-18
• Shocks testers — 2005-03-31
• Some dermatological anomalies — 2003-08-08
• Displaces — 1998-03-01