Historical clue formulations

• Priory of ___, guardians of a monumental secret in "The Da Vinci Code" — 2024-06-09
• Priory of ___ (group in "The Da Vinci Code") — 2020-11-07
• "The Da Vinci Code" priory — 2015-05-15
• Priory in "The Da Vinci Code" — 2013-01-03
• Capital of the Swiss canton of Valais — 2012-09-30
• "The Da Vinci Code" priory — 2010-10-13
• Capital of Valais — 2010-02-11
• Priory of ___ (group in "The Da Vinci Code") — 2010-02-02
• Capital of Valais — 2008-04-10
• "The Da Vinci Code" priory — 2007-12-28
• Priory of ___, group in "The Da Vinci Code" — 2007-06-24
• Capital of Valais canton — 2007-06-10
• Priory of ___, group in "The Da Vinci Code" — 2007-03-23
• Noun suffix — 2005-04-23
• Capital of Valais canton, Switzerland — 2001-03-04
• Suffix with scan — 1997-08-29