Historical clue formulations

• Membership categories — 2026-07-04
• Several things in a pagoda — 2025-12-10
• Echelons — 2025-09-15
• Wedding cake features — 2025-03-23
• Stadium levels — 2024-09-23
• Arena seating sections — 2024-02-18
• Ranks — 2022-02-27
• Parts of ziggurats — 2020-09-20
• Levels — 2019-12-26
• Levels — 2019-12-15
• Echelons — 2019-10-01
• Strata — 2019-07-11
• Rungs — 2019-05-09
• Features of many wedding cakes — 2018-05-30
• Rows — 2017-06-17
• Levels — 2015-10-18
• Wedding cake parts — 2014-01-21
• Levels — 2013-11-14
• Levels — 2013-08-11
• Floors — 2012-03-25
• Arena sections — 2011-10-26
• Ranks — 2011-06-26
• Hillside landscaping effects — 2011-03-26
• Ziggurat features — 2011-03-13
• Wedding cake layers — 2010-01-26
• Ziggurat features — 2009-09-17
• Levels — 2009-03-26
• Seating sections — 2009-03-08
• Layers — 2007-04-03
• Stadium levels — 2005-12-26
• Cake sections — 2005-03-01
• Seating sections — 2004-10-10
• Levels — 2004-08-15
• Levels — 2004-05-09
• Ranks — 2004-02-08
• Arena arrangement — 2003-02-07
• Stadium sections — 1999-10-24
• Levels — 1999-07-26
• Arena parts — 1999-06-12
• Echelons — 1999-03-13
• La Scala features — 1998-01-11
• Seat groupings — 1996-11-03
• Wedding cake layers — 1996-10-07
• Stadium divisions — 1996-06-30
• Ranks — 1995-06-23
• Rows — 1995-06-12