Historical clue formulations

• Saddlebacks, tumps, knolls and the like — 2021-12-29
• Roman septet — 2007-05-16
• Sledding sites — 2006-12-12
• Rome has seven — 2003-08-18
• Inclines — 2002-12-07
• "Rolling" things — 2002-04-29
• Slopes — 1999-06-03
• Bluffs — 1996-03-10
• Inclines — 1996-02-11