Historical clue formulations

• Retreats — 2025-08-09
• Places for scheming — 2025-03-14
• Dens — 2024-10-22
• Places to hole up — 2024-05-01
• Places for evil geniuses — 2024-02-07
• Hiding places — 2023-05-20
• Retreats — 2019-03-17
• Places for bears or villains — 2018-11-25
• Bears' retreats — 2017-10-16
• Dens — 2017-07-03
• Hideouts — 2017-05-14
• Retreats — 2017-03-08
• Hideouts — 2010-04-12
• Sanctuaries — 2010-04-09
• Places to hibernate — 2009-09-30
• Hideouts — 2008-02-21
• Cubs' homes — 2006-09-26
• Hangouts — 2006-02-17
• Dens — 2005-11-29
• Retreats — 2005-04-15
• Lions' dens — 2003-06-09
• Hiding spots — 2002-06-30
• Hideouts — 2000-10-19
• Retreats — 2000-01-11
• Hideouts — 1999-11-21
• Burrows — 1999-05-23
• Retreats — 1997-03-21
• Dens — 1995-07-31
• Bears' places — 1995-05-16
• Places of refuge — 1994-07-26
• Dens — 1994-05-10
• Hideouts — 1994-02-24