Historical clue formulations

• Biddy — 2015-08-13
• Harridan — 2013-09-22
• Biddy — 2012-02-13
• Hag — 2011-05-22
• Biddy — 2007-03-25
• Biddy — 2006-02-14
• Dracula's mother-in-law? — 1998-01-18