Historical clue formulations

• Ivanhoe's love — 2015-01-20
• Ivanhoe's lady — 2010-01-17
• Miss Ravenclaw, who co-founded Hogwarts School — 2007-04-28
• Lady of "Ivanhoe" — 1996-09-30
• "Ivanhoe" damsel — 1996-04-28
• Ivanhoe's love — 1995-09-10